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| Basic Considerations | |
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| The Tropical Environment | |
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| Climate and vegetation | |
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| Agro-climatic zones | |
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| Farming systems | |
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| Historical lessons | |
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| Summary | |
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| Mineralogy | |
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| Rocks and minerals | |
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| Primary minerals | |
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| Secondary minerals | |
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| Summary | |
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| Soil Chemistry | |
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| Surface and charge properties of soil colloids | |
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| Retention of ions on colloid surfaces | |
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| Soil acidity and toxicity | |
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| Alkalinity, salinity, and sodicity | |
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| Summary | |
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| Soil Physics | |
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| Soil texture | |
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| Soil structure and soil aggregation | |
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| Bulk density, porosity, and pore-size distribution | |
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| Soil-water retention characteristics | |
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| Infiltration and permeability | |
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| Water movement | |
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| Soil solution | |
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| Solute movement | |
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| Soil aeration | |
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| Soil temperature | |
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| Summary | |
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| Soil Biology and Microbiology | |
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| Soil microflora | |
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| Soil fauna | |
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| Summary | |
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| Soil Fertility | |
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| Soil chemical fertility | |
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| Soil physical fertility | |
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| Soil biological fertility | |
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| Summary | |
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| Soil Formation and Classification | |
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| Soil formation | |
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| Pedological classification of soils | |
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| Technical soil classification schemes | |
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| Summary | |
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| Major Arable Soils of the Tropics: A Descriptive Grouping Based on Clay Mineralogy | |
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| Kaolinitic soils | |
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| Oxidic soils | |
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| Allophanic soils | |
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| Smectitic soils | |
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| Production potential and limitations | |
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| Summary | |
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| Properties and Management | |
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| Soil Management: An Overview | |
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| Tillage and seedbed preparation | |
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| Replenishing soil nutrients | |
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| Soil moisture management | |
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| Maintenance of soil organic matter | |
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| Landscape approach to soil and water management | |
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| Summary | |
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| Properties and Management of Kaolinitic Soils | |
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| Properties and use of kaolinitic soils | |
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| Traditional and modern land-use systems | |
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| Soil physical constraints and management | |
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| Soil chemical constraints and management | |
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| Summary | |
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| Properties and Management of Oxidic Soils | |
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| High-base-status and low-base-status oxidic soils | |
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| Physical and chemical properties | |
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| Use and management | |
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| Soil erosion | |
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| Effect of continuous cultivation on soil properties | |
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| Alternative land-use systems | |
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| Summary | |
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| Properties and Management of Smectitic Soils | |
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| Properties of smectitic soils | |
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| Use and management of smectitic soils in wetter regions | |
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| Use of acid sulfate soils | |
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| Use and management of smectitic soils in drier regions | |
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| Summary | |
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| Properties and Management of Allophanic Soils | |
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| Properties of allophanic soils | |
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| Use and management of allophanic soils | |
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| Summary | |
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| Soils and Sustainable Agriculture: Ecological Considerations | |
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| The ecosystem concept | |
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| Agroecosystems | |
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| Summary | |
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| Physical and Chemical Properties of Selected Soil Profiles | |
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| References | |
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| Index | |
