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Engineering
Agricultural Engineering
Irrigation and Drainage Engineering
1. Introduction to Irrigation and Drainage Engineering
2. Soil-Water-Plant Fundamentals
3. Agricultural Hydrology
4. Hydraulics of Water Conveyance
5. Irrigation Water Requirements
6. Surface Irrigation Systems
7. Sprinkler Irrigation Systems
8. Micro-irrigation Systems
9. Water Conveyance and Control Structures
10. Agricultural Drainage Principles
11. Surface Drainage Systems
12. Subsurface Drainage Systems
13. Salt-affected Soil Management
14. On-farm Water Management
15. Water Quality for Irrigation
16. Irrigation System Automation
17. Economic and Environmental Considerations
13.
Salt-affected Soil Management
13.1.
Soil Salinity and Sodicity
13.1.1.
Salt Sources
13.1.1.1.
Natural Salinity
13.1.1.2.
Irrigation-induced Salinity
13.1.1.3.
Groundwater Salinity
13.1.1.4.
Fertilizer Salts
13.1.2.
Salinity Measurement
13.1.2.1.
Electrical Conductivity
13.1.2.2.
Total Dissolved Solids
13.1.2.3.
Osmotic Pressure
13.1.3.
Sodicity Assessment
13.1.3.1.
Sodium Adsorption Ratio
13.1.3.2.
Exchangeable Sodium Percentage
13.1.3.3.
pH Measurements
13.1.4.
Classification Systems
13.1.4.1.
Saline Soils
13.1.4.2.
Sodic Soils
13.1.4.3.
Saline-sodic Soils
13.2.
Leaching Requirements
13.2.1.
Leaching Fraction
13.2.1.1.
Calculation Methods
13.2.1.2.
Crop Salt Tolerance
13.2.1.3.
Water Quality Factors
13.2.2.
Leaching Efficiency
13.2.2.1.
Uniform Leaching
13.2.2.2.
Preferential Flow
13.2.2.3.
Bypass Flow
13.2.3.
Drainage Requirements
13.2.3.1.
Leachate Removal
13.2.3.2.
Water Table Control
13.2.3.3.
Drainage Adequacy
13.3.
Reclamation Methods
13.3.1.
Physical Reclamation
13.3.1.1.
Deep Plowing
13.3.1.2.
Subsoiling
13.3.1.3.
Profile Modification
13.3.1.4.
Drainage Installation
13.3.2.
Chemical Amendments
13.3.2.1.
Gypsum Application
13.3.2.2.
Sulfur Application
13.3.2.3.
Acid Application
13.3.2.4.
Organic Amendments
13.3.3.
Biological Methods
13.3.3.1.
Salt-tolerant Crops
13.3.3.2.
Green Manuring
13.3.3.3.
Microbial Treatments
13.3.4.
Water Management
13.3.4.1.
High-quality Water
13.3.4.2.
Blending Waters
13.3.4.3.
Cyclic Water Use
13.4.
Monitoring and Evaluation
13.4.1.
Soil Testing
13.4.1.1.
Sampling Procedures
13.4.1.2.
Laboratory Analysis
13.4.1.3.
Field Testing
13.4.2.
Water Quality Monitoring
13.4.2.1.
Irrigation Water
13.4.2.2.
Drainage Water
13.4.2.3.
Groundwater
13.4.3.
Plant Response
13.4.3.1.
Growth Measurements
13.4.3.2.
Yield Monitoring
13.4.3.3.
Salt Tolerance Assessment
13.4.4.
Long-term Monitoring
13.4.4.1.
Trend Analysis
13.4.4.2.
Effectiveness Evaluation
13.4.4.3.
Adaptive Management
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12. Subsurface Drainage Systems
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14. On-farm Water Management