Soil Science

  1. Soil and Water Conservation
    1. Soil Erosion
      1. Water Erosion
        1. Splash Erosion
          1. Sheet Erosion
            1. Rill Erosion
              1. Gully Erosion
              2. Wind Erosion
                1. Saltation
                  1. Suspension
                    1. Surface Creep
                    2. Factors Influencing Erosion
                      1. Rainfall Intensity
                        1. Soil Texture and Structure
                          1. Slope Length and Gradient
                            1. Vegetative Cover
                          2. Erosion Prediction Models
                            1. Universal Soil Loss Equation (USLE)
                              1. Factors in USLE
                                1. Applications and Limitations
                                2. Revised Universal Soil Loss Equation (RUSLE)
                                  1. Improvements over USLE
                                3. Erosion Control Practices
                                  1. Vegetative and Agronomic Measures
                                    1. Cover Crops
                                      1. Conservation Tillage
                                        1. Contour Farming
                                          1. Strip Cropping
                                            1. Mulching
                                            2. Mechanical and Engineering Structures
                                              1. Terraces
                                                1. Grassed Waterways
                                                  1. Check Dams
                                                    1. Windbreaks
                                                      1. Sediment Basins

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                                                  8. Soil Fertility and Plant Nutrition

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                                                  10. Soils and Environmental Quality