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Table of Contents
Intro; Dedication; Preface; Acknowledgements; Abbreviations; Contents; Chapter 1: Management of Soil Problems: An Introduction; 1.1 'Problem Soils' and Soil Problems; 1.2 Soil Constraints to Different Uses; 1.3 Land Resource Stress Classes; References; Chapter 2: Dryland Soils; 2.1 Drylands of the World; 2.2 Global Distribution of Drylands; 2.3 Land Use in Drylands; 2.4 Soils of the Drylands; 2.4.1 Soil Limitations; 2.5 Droughts in Drylands; 2.6 Dryland Agriculture; 2.7 Integrated Soil and Crop Management for Drylands; 2.7.1 Principles of Integrated Soil and Crop Management for Drylands
2.7.2 Growing Dryland Crops2.7.3 Diversity in Crops and Cropping Systems; 2.7.4 Conservation Tillage; 2.7.5 Water Conservation; 2.7.6 Supplemental Irrigation; 2.7.7 Fertilizer Application; 2.7.8 Use of Herbicides; 2.7.9 Soil Conservation; References; Chapter 3: Sandy Soils; 3.1 Nature of Sandy Soils; 3.2 Distribution of Sandy Soils; 3.3 Properties of Sandy Soils; 3.4 Advantages of Sandy Soils; 3.5 Constraints of Sandy Soils; 3.6 Management of Sandy Soils; 3.6.1 Selecting Suitable Plants; 3.6.2 Tillage; 3.6.3 Soil Amendments; 3.6.3.1 Manuring; 3.6.3.2 Bentonite Amendments
3.6.3.3 Hydroabsorbent Amendments3.6.3.4 Biochar; 3.6.4 Fertilizer Application; 3.6.5 Irrigation; 3.6.6 Cover Crops; 3.6.7 Mulching; 3.6.8 Stabilization of Sand Dunes; References; Chapter 4: Shallow Soils; 4.1 Soil Depth Classes; 4.1.1 Very Shallow Soils; 4.1.2 Shallow Soils; 4.1.3 Moderately Deep Soils; 4.1.4 Deep Soils; 4.2 Properties of Shallow Soils; 4.2.1 Shallow Soils on Mountain Slopes; 4.2.2 Shallow Soils on Calcareous Materials; 4.2.3 Shallow Soils with Root Restrictive Layers; 4.2.4 Soils with Shallow Groundwater Table; 4.2.5 Shallow Lateritic Soils; 4.3 Limitations of Shallow Soils
4.4 Management of Shallow Soils4.4.1 Selection of Suitable Crops; 4.4.2 Management of Shallow Mountain Soils; 4.4.3 Management of Shallow Soils with Compacted or Root Restrictive Layers; 4.4.4 Management of Soils with Shallow Groundwater Table; References; Chapter 5: Soils with Drainage Limitations; 5.1 Wetland Soils, Hydric Soils, Poorly Drained Soils; 5.2 Criteria of Hydric Soils; 5.3 Features of Hydric Soils; 5.3.1 Redoximorphic Features; 5.3.2 Chemical Transformations in Hydric Soils; 5.3.3 Hydric Organic Soils; 5.4 Land Use in Hydric Soils; 5.4.1 Natural Wetland Ecosystems
5.4.1.1 Wetland Degradation and Wetland Rehabilitation5.4.1.2 Artificial drainage of Peatlands; 5.4.2 Wetland Rice Production Systems; 5.4.2.1 Properties of Rice Soils; 5.5 Plants Suitable for Poorly Drained Soils; 5.6 Soils that Need Artificial Drainage; 5.6.1 Benefits of Artificial Drainage; 5.6.2 Drainage Systems; 5.6.2.1 Surface Drainage; 5.6.2.2 Subsurface Drainage; 5.6.2.3 Vertical Drains; 5.7 Environmental Impact of Agricultural Drainage; 5.8 Drainage Water Reuse; 5.9 Wet and Cold Soils; References; Chapter 6: Expansive Soils; 6.1 Types and Distribution of Expansive Soils
2.7.2 Growing Dryland Crops2.7.3 Diversity in Crops and Cropping Systems; 2.7.4 Conservation Tillage; 2.7.5 Water Conservation; 2.7.6 Supplemental Irrigation; 2.7.7 Fertilizer Application; 2.7.8 Use of Herbicides; 2.7.9 Soil Conservation; References; Chapter 3: Sandy Soils; 3.1 Nature of Sandy Soils; 3.2 Distribution of Sandy Soils; 3.3 Properties of Sandy Soils; 3.4 Advantages of Sandy Soils; 3.5 Constraints of Sandy Soils; 3.6 Management of Sandy Soils; 3.6.1 Selecting Suitable Plants; 3.6.2 Tillage; 3.6.3 Soil Amendments; 3.6.3.1 Manuring; 3.6.3.2 Bentonite Amendments
3.6.3.3 Hydroabsorbent Amendments3.6.3.4 Biochar; 3.6.4 Fertilizer Application; 3.6.5 Irrigation; 3.6.6 Cover Crops; 3.6.7 Mulching; 3.6.8 Stabilization of Sand Dunes; References; Chapter 4: Shallow Soils; 4.1 Soil Depth Classes; 4.1.1 Very Shallow Soils; 4.1.2 Shallow Soils; 4.1.3 Moderately Deep Soils; 4.1.4 Deep Soils; 4.2 Properties of Shallow Soils; 4.2.1 Shallow Soils on Mountain Slopes; 4.2.2 Shallow Soils on Calcareous Materials; 4.2.3 Shallow Soils with Root Restrictive Layers; 4.2.4 Soils with Shallow Groundwater Table; 4.2.5 Shallow Lateritic Soils; 4.3 Limitations of Shallow Soils
4.4 Management of Shallow Soils4.4.1 Selection of Suitable Crops; 4.4.2 Management of Shallow Mountain Soils; 4.4.3 Management of Shallow Soils with Compacted or Root Restrictive Layers; 4.4.4 Management of Soils with Shallow Groundwater Table; References; Chapter 5: Soils with Drainage Limitations; 5.1 Wetland Soils, Hydric Soils, Poorly Drained Soils; 5.2 Criteria of Hydric Soils; 5.3 Features of Hydric Soils; 5.3.1 Redoximorphic Features; 5.3.2 Chemical Transformations in Hydric Soils; 5.3.3 Hydric Organic Soils; 5.4 Land Use in Hydric Soils; 5.4.1 Natural Wetland Ecosystems
5.4.1.1 Wetland Degradation and Wetland Rehabilitation5.4.1.2 Artificial drainage of Peatlands; 5.4.2 Wetland Rice Production Systems; 5.4.2.1 Properties of Rice Soils; 5.5 Plants Suitable for Poorly Drained Soils; 5.6 Soils that Need Artificial Drainage; 5.6.1 Benefits of Artificial Drainage; 5.6.2 Drainage Systems; 5.6.2.1 Surface Drainage; 5.6.2.2 Subsurface Drainage; 5.6.2.3 Vertical Drains; 5.7 Environmental Impact of Agricultural Drainage; 5.8 Drainage Water Reuse; 5.9 Wet and Cold Soils; References; Chapter 6: Expansive Soils; 6.1 Types and Distribution of Expansive Soils