Agricultural Sciences

  1. Plant Science
    1. Plant Anatomy and Morphology
      1. Plant Cell Structure and Function
        1. Cell Wall Components
          1. Organelles and Their Functions
            1. Nucleus
              1. Chloroplasts
                1. Mitochondria
                  1. Vacuoles
                    1. Endoplasmic Reticulum
                    2. Specialized Plant Cells
                      1. Guard Cells
                        1. Companion Cells
                          1. Sieve Tube Elements
                        2. Plant Tissue Systems
                          1. Meristematic Tissues
                            1. Apical Meristems
                              1. Lateral Meristems
                                1. Intercalary Meristems
                                2. Permanent Tissues
                                  1. Simple Tissues
                                    1. Parenchyma
                                      1. Collenchyma
                                        1. Sclerenchyma
                                        2. Complex Tissues
                                          1. Xylem
                                            1. Phloem
                                            2. Protective Tissues
                                              1. Epidermis
                                                1. Periderm
                                            3. Root System Structure
                                              1. Root Types
                                                1. Taproot System
                                                  1. Fibrous Root System
                                                    1. Adventitious Roots
                                                    2. Root Anatomy
                                                      1. Root Cap
                                                        1. Meristematic Zone
                                                          1. Elongation Zone
                                                            1. Maturation Zone
                                                            2. Root Modifications
                                                              1. Storage Roots
                                                                1. Aerial Roots
                                                                  1. Parasitic Roots
                                                                2. Stem Structure and Function
                                                                  1. External Stem Morphology
                                                                    1. Nodes and Internodes
                                                                      1. Buds and Branching
                                                                      2. Internal Stem Anatomy
                                                                        1. Primary Structure
                                                                          1. Secondary Growth
                                                                            1. Vascular Bundle Arrangement
                                                                            2. Stem Modifications
                                                                              1. Underground Stems
                                                                                1. Rhizomes
                                                                                  1. Tubers
                                                                                    1. Bulbs
                                                                                      1. Corms
                                                                                      2. Aerial Stem Modifications
                                                                                        1. Stolons
                                                                                          1. Tendrils
                                                                                            1. Thorns
                                                                                        2. Leaf Structure and Function
                                                                                          1. Leaf Morphology
                                                                                            1. Leaf Parts
                                                                                              1. Leaf Shapes
                                                                                                1. Leaf Arrangements
                                                                                                  1. Leaf Venation
                                                                                                  2. Internal Leaf Anatomy
                                                                                                    1. Epidermis
                                                                                                      1. Mesophyll
                                                                                                        1. Palisade Mesophyll
                                                                                                          1. Spongy Mesophyll
                                                                                                          2. Vascular Bundles
                                                                                                            1. Stomata
                                                                                                            2. Leaf Modifications
                                                                                                              1. Tendrils
                                                                                                                1. Spines
                                                                                                                  1. Storage Leaves
                                                                                                                    1. Reproductive Leaves
                                                                                                                  2. Reproductive Structures
                                                                                                                    1. Flower Structure
                                                                                                                      1. Floral Parts
                                                                                                                        1. Sepals
                                                                                                                          1. Petals
                                                                                                                            1. Stamens
                                                                                                                              1. Pistils
                                                                                                                              2. Flower Types
                                                                                                                                1. Inflorescence Types
                                                                                                                                2. Pollination Mechanisms
                                                                                                                                  1. Self-Pollination
                                                                                                                                    1. Cross-Pollination
                                                                                                                                      1. Pollination Agents
                                                                                                                                      2. Fruit Development
                                                                                                                                        1. Fruit Types
                                                                                                                                          1. Simple Fruits
                                                                                                                                            1. Aggregate Fruits
                                                                                                                                              1. Multiple Fruits
                                                                                                                                              2. Fruit Classification
                                                                                                                                              3. Seed Structure
                                                                                                                                                1. Seed Coat
                                                                                                                                                  1. Embryo
                                                                                                                                                    1. Endosperm
                                                                                                                                                      1. Seed Types
                                                                                                                                                  2. Plant Physiology
                                                                                                                                                    1. Photosynthesis
                                                                                                                                                      1. Light Reactions
                                                                                                                                                        1. Photosystem I and II
                                                                                                                                                          1. Electron Transport Chain
                                                                                                                                                            1. ATP and NADPH Production
                                                                                                                                                            2. Dark Reactions
                                                                                                                                                              1. Calvin Cycle
                                                                                                                                                                1. Carbon Fixation
                                                                                                                                                                  1. Sugar Synthesis
                                                                                                                                                                  2. Factors Affecting Photosynthesis
                                                                                                                                                                    1. Light Intensity
                                                                                                                                                                      1. Carbon Dioxide Concentration
                                                                                                                                                                        1. Temperature
                                                                                                                                                                          1. Water Availability
                                                                                                                                                                          2. Photosynthetic Pathways
                                                                                                                                                                            1. C3 Pathway
                                                                                                                                                                              1. C4 Pathway
                                                                                                                                                                                1. CAM Pathway
                                                                                                                                                                              2. Plant Respiration
                                                                                                                                                                                1. Aerobic Respiration
                                                                                                                                                                                  1. Glycolysis
                                                                                                                                                                                    1. Krebs Cycle
                                                                                                                                                                                      1. Electron Transport Chain
                                                                                                                                                                                      2. Anaerobic Respiration
                                                                                                                                                                                        1. Fermentation Pathways
                                                                                                                                                                                        2. Factors Affecting Respiration
                                                                                                                                                                                          1. Respiratory Quotient
                                                                                                                                                                                          2. Water Relations
                                                                                                                                                                                            1. Water Uptake
                                                                                                                                                                                              1. Root Water Absorption
                                                                                                                                                                                                1. Factors Affecting Uptake
                                                                                                                                                                                                2. Water Transport
                                                                                                                                                                                                  1. Xylem Transport
                                                                                                                                                                                                    1. Transpiration Stream
                                                                                                                                                                                                    2. Transpiration
                                                                                                                                                                                                      1. Stomatal Transpiration
                                                                                                                                                                                                        1. Cuticular Transpiration
                                                                                                                                                                                                          1. Factors Affecting Transpiration
                                                                                                                                                                                                          2. Water Use Efficiency
                                                                                                                                                                                                          3. Mineral Nutrition
                                                                                                                                                                                                            1. Nutrient Uptake Mechanisms
                                                                                                                                                                                                              1. Passive Uptake
                                                                                                                                                                                                                1. Active Uptake
                                                                                                                                                                                                                  1. Mass Flow
                                                                                                                                                                                                                    1. Diffusion
                                                                                                                                                                                                                    2. Nutrient Transport
                                                                                                                                                                                                                      1. Xylem Transport
                                                                                                                                                                                                                        1. Phloem Transport
                                                                                                                                                                                                                          1. Translocation Patterns
                                                                                                                                                                                                                          2. Nutrient Functions
                                                                                                                                                                                                                            1. Structural Functions
                                                                                                                                                                                                                              1. Metabolic Functions
                                                                                                                                                                                                                                1. Regulatory Functions
                                                                                                                                                                                                                              2. Plant Growth and Development
                                                                                                                                                                                                                                1. Growth Patterns
                                                                                                                                                                                                                                  1. Primary Growth
                                                                                                                                                                                                                                    1. Secondary Growth
                                                                                                                                                                                                                                      1. Determinate vs Indeterminate Growth
                                                                                                                                                                                                                                      2. Growth Measurements
                                                                                                                                                                                                                                        1. Linear Growth
                                                                                                                                                                                                                                          1. Area Growth
                                                                                                                                                                                                                                            1. Volume Growth
                                                                                                                                                                                                                                              1. Dry Weight Accumulation
                                                                                                                                                                                                                                              2. Plant Hormones
                                                                                                                                                                                                                                                1. Auxins
                                                                                                                                                                                                                                                  1. Types and Sources
                                                                                                                                                                                                                                                    1. Functions
                                                                                                                                                                                                                                                      1. Commercial Applications
                                                                                                                                                                                                                                                      2. Gibberellins
                                                                                                                                                                                                                                                        1. Discovery and Types
                                                                                                                                                                                                                                                          1. Physiological Effects
                                                                                                                                                                                                                                                            1. Agricultural Uses
                                                                                                                                                                                                                                                            2. Cytokinins
                                                                                                                                                                                                                                                              1. Structure and Function
                                                                                                                                                                                                                                                                1. Role in Cell Division
                                                                                                                                                                                                                                                                  1. Senescence Delay
                                                                                                                                                                                                                                                                  2. Abscisic Acid
                                                                                                                                                                                                                                                                    1. Stress Responses
                                                                                                                                                                                                                                                                      1. Dormancy Regulation
                                                                                                                                                                                                                                                                        1. Stomatal Control
                                                                                                                                                                                                                                                                        2. Ethylene
                                                                                                                                                                                                                                                                          1. Fruit Ripening
                                                                                                                                                                                                                                                                            1. Senescence
                                                                                                                                                                                                                                                                              1. Stress Responses
                                                                                                                                                                                                                                                                            2. Tropisms and Movements
                                                                                                                                                                                                                                                                              1. Phototropism
                                                                                                                                                                                                                                                                                1. Gravitropism
                                                                                                                                                                                                                                                                                  1. Thigmotropism
                                                                                                                                                                                                                                                                                    1. Nastic Movements
                                                                                                                                                                                                                                                                                  2. Environmental Responses
                                                                                                                                                                                                                                                                                    1. Photoperiodism
                                                                                                                                                                                                                                                                                      1. Short-Day Plants
                                                                                                                                                                                                                                                                                        1. Long-Day Plants
                                                                                                                                                                                                                                                                                          1. Day-Neutral Plants
                                                                                                                                                                                                                                                                                            1. Critical Photoperiod
                                                                                                                                                                                                                                                                                            2. Vernalization
                                                                                                                                                                                                                                                                                              1. Cold Requirement
                                                                                                                                                                                                                                                                                                1. Molecular Mechanisms
                                                                                                                                                                                                                                                                                                  1. Agricultural Applications
                                                                                                                                                                                                                                                                                                  2. Stress Physiology
                                                                                                                                                                                                                                                                                                    1. Water Stress
                                                                                                                                                                                                                                                                                                      1. Temperature Stress
                                                                                                                                                                                                                                                                                                        1. Salt Stress
                                                                                                                                                                                                                                                                                                          1. Nutrient Stress
                                                                                                                                                                                                                                                                                                      2. Crop Classification and Characteristics
                                                                                                                                                                                                                                                                                                        1. Classification Systems
                                                                                                                                                                                                                                                                                                          1. Botanical Classification
                                                                                                                                                                                                                                                                                                            1. Family Groupings
                                                                                                                                                                                                                                                                                                              1. Genus and Species
                                                                                                                                                                                                                                                                                                              2. Agronomic Classification
                                                                                                                                                                                                                                                                                                                1. Growth Habit
                                                                                                                                                                                                                                                                                                                  1. Life Cycle
                                                                                                                                                                                                                                                                                                                    1. Use Categories
                                                                                                                                                                                                                                                                                                                    2. Economic Classification
                                                                                                                                                                                                                                                                                                                      1. Food Crops
                                                                                                                                                                                                                                                                                                                        1. Cash Crops
                                                                                                                                                                                                                                                                                                                          1. Industrial Crops
                                                                                                                                                                                                                                                                                                                        2. Major Crop Categories
                                                                                                                                                                                                                                                                                                                          1. Cereal Crops
                                                                                                                                                                                                                                                                                                                            1. Rice
                                                                                                                                                                                                                                                                                                                              1. Wheat
                                                                                                                                                                                                                                                                                                                                1. Maize
                                                                                                                                                                                                                                                                                                                                  1. Barley
                                                                                                                                                                                                                                                                                                                                    1. Oats
                                                                                                                                                                                                                                                                                                                                      1. Sorghum
                                                                                                                                                                                                                                                                                                                                        1. Millets
                                                                                                                                                                                                                                                                                                                                        2. Legume Crops
                                                                                                                                                                                                                                                                                                                                          1. Soybeans
                                                                                                                                                                                                                                                                                                                                            1. Common Bean
                                                                                                                                                                                                                                                                                                                                              1. Chickpea
                                                                                                                                                                                                                                                                                                                                                1. Lentil
                                                                                                                                                                                                                                                                                                                                                  1. Cowpea
                                                                                                                                                                                                                                                                                                                                                    1. Pigeon Pea
                                                                                                                                                                                                                                                                                                                                                    2. Oilseed Crops
                                                                                                                                                                                                                                                                                                                                                      1. Sunflower
                                                                                                                                                                                                                                                                                                                                                        1. Canola
                                                                                                                                                                                                                                                                                                                                                          1. Peanut
                                                                                                                                                                                                                                                                                                                                                            1. Sesame
                                                                                                                                                                                                                                                                                                                                                              1. Safflower
                                                                                                                                                                                                                                                                                                                                                              2. Root and Tuber Crops
                                                                                                                                                                                                                                                                                                                                                                1. Potato
                                                                                                                                                                                                                                                                                                                                                                  1. Sweet Potato
                                                                                                                                                                                                                                                                                                                                                                    1. Cassava
                                                                                                                                                                                                                                                                                                                                                                      1. Yam
                                                                                                                                                                                                                                                                                                                                                                        1. Carrot
                                                                                                                                                                                                                                                                                                                                                                          1. Radish
                                                                                                                                                                                                                                                                                                                                                                          2. Fiber Crops
                                                                                                                                                                                                                                                                                                                                                                            1. Cotton
                                                                                                                                                                                                                                                                                                                                                                              1. Flax
                                                                                                                                                                                                                                                                                                                                                                                1. Hemp
                                                                                                                                                                                                                                                                                                                                                                                  1. Jute
                                                                                                                                                                                                                                                                                                                                                                                  2. Forage Crops
                                                                                                                                                                                                                                                                                                                                                                                    1. Alfalfa
                                                                                                                                                                                                                                                                                                                                                                                      1. Clover
                                                                                                                                                                                                                                                                                                                                                                                        1. Grasses
                                                                                                                                                                                                                                                                                                                                                                                          1. Silage Crops
                                                                                                                                                                                                                                                                                                                                                                                          2. Horticultural Crops
                                                                                                                                                                                                                                                                                                                                                                                            1. Fruit Crops
                                                                                                                                                                                                                                                                                                                                                                                              1. Tree Fruits
                                                                                                                                                                                                                                                                                                                                                                                                1. Small Fruits
                                                                                                                                                                                                                                                                                                                                                                                                  1. Tropical Fruits
                                                                                                                                                                                                                                                                                                                                                                                                  2. Vegetable Crops
                                                                                                                                                                                                                                                                                                                                                                                                    1. Leafy Vegetables
                                                                                                                                                                                                                                                                                                                                                                                                      1. Fruit Vegetables
                                                                                                                                                                                                                                                                                                                                                                                                        1. Root Vegetables
                                                                                                                                                                                                                                                                                                                                                                                                        2. Ornamental Crops
                                                                                                                                                                                                                                                                                                                                                                                                          1. Cut Flowers
                                                                                                                                                                                                                                                                                                                                                                                                            1. Potted Plants
                                                                                                                                                                                                                                                                                                                                                                                                              1. Landscape Plants
                                                                                                                                                                                                                                                                                                                                                                                                              2. Plantation Crops
                                                                                                                                                                                                                                                                                                                                                                                                                1. Coffee
                                                                                                                                                                                                                                                                                                                                                                                                                  1. Tea
                                                                                                                                                                                                                                                                                                                                                                                                                    1. Cocoa
                                                                                                                                                                                                                                                                                                                                                                                                                      1. Rubber
                                                                                                                                                                                                                                                                                                                                                                                                                2. Crop Production Practices
                                                                                                                                                                                                                                                                                                                                                                                                                  1. Land Preparation and Tillage
                                                                                                                                                                                                                                                                                                                                                                                                                    1. Tillage Objectives
                                                                                                                                                                                                                                                                                                                                                                                                                      1. Seedbed Preparation
                                                                                                                                                                                                                                                                                                                                                                                                                        1. Weed Control
                                                                                                                                                                                                                                                                                                                                                                                                                          1. Residue Management
                                                                                                                                                                                                                                                                                                                                                                                                                            1. Soil Amendment Incorporation
                                                                                                                                                                                                                                                                                                                                                                                                                            2. Tillage Systems
                                                                                                                                                                                                                                                                                                                                                                                                                              1. Conventional Tillage
                                                                                                                                                                                                                                                                                                                                                                                                                                1. Primary Tillage
                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Moldboard Plowing
                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Chisel Plowing
                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Disk Plowing
                                                                                                                                                                                                                                                                                                                                                                                                                                      2. Secondary Tillage
                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Disking
                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Harrowing
                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Cultivating
                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Conservation Tillage
                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Reduced Tillage
                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Mulch Tillage
                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Strip Tillage
                                                                                                                                                                                                                                                                                                                                                                                                                                                2. No-Till Systems
                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Direct Seeding
                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Residue Management
                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Weed Control Strategies
                                                                                                                                                                                                                                                                                                                                                                                                                                                    2. Tillage Equipment
                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Primary Tillage Tools
                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Secondary Tillage Tools
                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Specialty Implements
                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. Planting and Establishment
                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Seed Quality Assessment
                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Seed Viability Testing
                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Vigor Testing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Purity Analysis
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Moisture Content
                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. Seed Treatments
                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Fungicide Treatments
                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Insecticide Treatments
                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Inoculant Applications
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Priming Treatments
                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Planting Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Broadcasting
                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Drilling
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Precision Planting
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Transplanting
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. Planting Considerations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Seeding Rate
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Planting Depth
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Row Spacing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Plant Population
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Germination and Emergence
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Environmental Requirements
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Dormancy Breaking
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Emergence Problems
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2. Crop Growth Management
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Growth Stages
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Vegetative Growth
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Reproductive Growth
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Maturity Stages
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2. Canopy Management
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Plant Architecture
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Light Interception
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Pruning and Training
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2. Growth Regulation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Plant Growth Regulators
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Cultural Practices
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Environmental Manipulation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2. Vegetative Propagation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Cutting Propagation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Stem Cuttings
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Leaf Cuttings
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Root Cuttings
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. Grafting and Budding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Grafting Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Budding Techniques
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Rootstock Selection
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2. Layering
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Air Layering
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Ground Layering
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Mound Layering
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2. Division and Separation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Tissue Culture
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Micropropagation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Callus Culture
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Organ Culture
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. Water Management
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Crop Water Requirements
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Evapotranspiration
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Reference Evapotranspiration
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Crop Coefficients
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Calculation Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. Critical Growth Periods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Water-Sensitive Stages
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Deficit Irrigation Strategies
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2. Water Use Efficiency
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Irrigation Efficiency
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Water Productivity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. Irrigation Systems and Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Surface Irrigation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Basin Irrigation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Furrow Irrigation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Border Irrigation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Flood Irrigation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. Sprinkler Irrigation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Portable Systems
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Solid Set Systems
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Center Pivot Systems
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Linear Move Systems
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Micro-irrigation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Drip Irrigation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Micro-sprinklers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Bubbler Systems
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2. Subsurface Irrigation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                3. Irrigation Scheduling
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Soil-Based Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Tensiometers
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Electrical Resistance Blocks
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Neutron Probes
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. Plant-Based Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Leaf Water Potential
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Stomatal Conductance
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Infrared Thermometry
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2. Weather-Based Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Evapotranspiration Models
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Computer Scheduling
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2. Drainage Systems
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Surface Drainage
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Land Grading
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Surface Ditches
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Controlled Drainage
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. Subsurface Drainage
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Tile Drainage
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Mole Drainage
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Drainage Design
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Weed Management
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Weed Biology and Ecology
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Weed Classification
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Annual Weeds
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Biennial Weeds
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Perennial Weeds
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2. Weed Life Cycles
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Germination Requirements
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Growth Patterns
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Reproduction Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Weed Dispersal
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Seed Dispersal Mechanisms
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Vegetative Propagation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Human-Mediated Spread
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2. Crop-Weed Competition
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Competition Factors
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Light Competition
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Water Competition
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Nutrient Competition
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Space Competition
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. Critical Period of Competition
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Weed-Free Period
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Critical Timing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2. Economic Thresholds
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Yield Loss Assessment
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Control Cost Analysis
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2. Weed Control Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Cultural Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Crop Rotation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Competitive Crops
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Cover Crops
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Mulching
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Planting Date Manipulation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Mechanical Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Hand Weeding
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Cultivation
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Mowing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Flaming
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. Biological Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Classical Biological Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Augmentative Biological Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Conservation Biological Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. Chemical Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Herbicide Classification
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Mode of Action
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Selectivity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Timing of Application
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                2. Herbicide Application
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Pre-plant Applications
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Pre-emergence Applications
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Post-emergence Applications
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      2. Herbicide Resistance
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Resistance Mechanisms
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Resistance Management
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2. Harvest and Post-Harvest Management
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Harvest Timing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Maturity Indices
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Physiological Maturity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Commercial Maturity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Harvest Maturity
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              2. Quality Factors
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Nutritional Quality
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Processing Quality
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Storage Quality
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  2. Harvesting Methods
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Manual Harvesting
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Hand Picking
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Tool-Assisted Harvesting
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        2. Mechanical Harvesting
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Combine Harvesters
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Specialized Harvesters
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Harvesting Efficiency
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2. Post-Harvest Operations
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Cleaning and Grading
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Foreign Material Removal
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Size Grading
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Quality Sorting
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2. Drying
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Natural Drying
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Artificial Drying
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Drying Equipment
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Processing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Primary Processing
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Value Addition
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            2. Storage Management
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Storage Principles
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Moisture Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Temperature Management
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    1. Atmosphere Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                    2. Storage Structures
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                      1. Traditional Storage
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                        1. Modern Storage Facilities
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          1. Controlled Atmosphere Storage
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                          2. Pest Management in Storage
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                            1. Insect Pests
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                              1. Rodent Control
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                1. Fungal Diseases
                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                                  1. Integrated Pest Management