![]() | Soils, Crops and Fertilizer Use: A Field Manual for Development Workers (Peace Corps, 1986, 338 p.) |
![]() | ![]() | (introduction...) |
![]() | ![]() | About this manual |
![]() | ![]() | Acknowledgements |
![]() | ![]() | Chapter 1: Down to earth - Some Important Soil Basics |
![]() | ![]() | What is soil, anyway? |
![]() | ![]() | Why do soils vary so much? |
![]() | ![]() | Topsoil vs. subsoil |
![]() | ![]() | The mineral side of soil: sand, silt, and clay |
![]() | ![]() | Distinguishing ''tropical'' soils from ''temperate'' soils |
![]() | ![]() | Organic matter - a soil's best friend |
![]() | ![]() | The role of soil microorganisms |
![]() | ![]() | Chapter 2: Trouble-shooting soil physical problems |
![]() | ![]() | (introduction...) |
![]() | ![]() | Getting to know the soils in your area |
![]() | ![]() | Soil color |
![]() | ![]() | Soil texture |
![]() | ![]() | Soil tilth |
![]() | ![]() | Soil water-holding capacity |
![]() | ![]() | Soil drainage |
![]() | ![]() | Soil depth |
![]() | ![]() | Soil slope |
![]() | ![]() | Chapter 3: Basic soil conservation practices |
![]() | ![]() | (introduction...) |
![]() | ![]() | Rainfall erosion |
![]() | ![]() | Wind erosion |
![]() | ![]() | Chapter 4: Seedbed preparation |
![]() | ![]() | (introduction...) |
![]() | ![]() | The what and why of tillage |
![]() | ![]() | Common tillage equipment |
![]() | ![]() | The abuses of tillage and how to avoid them |
![]() | ![]() | Making the right seedbed for the crop, soil, and climate |
![]() | ![]() | How deep should land be tilled? |
![]() | ![]() | How fine a seedbed? |
![]() | ![]() | Some handy seedbed skills for intensive vegetable production |
![]() | ![]() | Chapter 5: Watering vegetables: When? How Often? How Much? |
![]() | ![]() | (introduction...) |
![]() | ![]() | It pays to use water wisely |
![]() | ![]() | Some common watering mistakes and their effects |
![]() | ![]() | Factors influencing plant water needs |
![]() | ![]() | Ok, so get to the point! how much water do plants need and how often? |
![]() | ![]() | Some methods for improving water use efficiency |
![]() | ![]() | Chapter 6: Soil fertility and plant nutrition simplified |
![]() | ![]() | (introduction...) |
![]() | ![]() | Let's Make a Deal |
![]() | ![]() | How plants grow |
![]() | ![]() | Available vs. unavailable forms of mineral nutrients |
![]() | ![]() | Soil negative charge and nutrient holding ability |
![]() | ![]() | Soil pH and how it affects crops growth |
![]() | ![]() | Important facts on the plant nutrients |
![]() | ![]() | Chapter 7: Evaluating a soil's fertility |
![]() | ![]() | (introduction...) |
![]() | ![]() | Soil testing |
![]() | ![]() | Plant tissue testing |
![]() | ![]() | Fertilizer trials |
![]() | ![]() | Using visual ''hunger signs'' |
![]() | ![]() | Chapter 8: Using organic fertilizers and soil conditioners |
![]() | ![]() | What are organic fertilizers? |
![]() | ![]() | Organic vs. chemical fertilizers: which are best? |
![]() | ![]() | Some examples of successful farming using organic fertilizers |
![]() | ![]() | How to use organic fertilizers and soil conditioners |
![]() | ![]() | Chapter 9: Using chemical fertilizers |
![]() | ![]() | (introduction...) |
![]() | ![]() | What are chemical fertilizers? |
![]() | ![]() | Are chemical fertilizers appropriate for limited-resource farmers? |
![]() | ![]() | An introduction to chemical fertilizers |
![]() | ![]() | Common chemical fertilizers and their characteristics |
![]() | ![]() | The effect of fertilizers on soil pH |
![]() | ![]() | Fertilizer salt index and ''burn'' potential |
![]() | ![]() | Basic application principles for N, P, and K |
![]() | ![]() | Fertilizer application methods explained and compared |
![]() | ![]() | Troubleshooting faulty fertilizer practices |
![]() | ![]() | Getting the most out of fertilizer use: crop management as an integrated system |
![]() | ![]() | Understanding fertilizer math |
![]() | ![]() | Chapter 10: Fertilizer guidelines for specific crops |
![]() | ![]() | (introduction...) |
![]() | ![]() | Cereals |
![]() | ![]() | Pulses (grain legumes) |
![]() | ![]() | Root crops |
![]() | ![]() | Vegetables |
![]() | ![]() | Tropical fruit crops |
![]() | ![]() | Tropical pastures |
![]() | ![]() | Chapter 11: Liming soils |
![]() | ![]() | (introduction...) |
![]() | ![]() | The purpose of liming |
![]() | ![]() | When is liming needed? |
![]() | ![]() | How to measure soil pH |
![]() | ![]() | How to calculate the actual amount of lime needed |
![]() | ![]() | How and when to lime |
![]() | ![]() | Don't overlime! |
![]() | ![]() | Chapter 12: Salinity and alkalinity problems |
![]() | ![]() | (introduction...) |
![]() | ![]() | How salinity and alkalinity harm crop growth |
![]() | ![]() | Lab diagnosis of salinity and alkalinity |
![]() | ![]() | Appendixes |
![]() | ![]() | Appendix A: Useful measurements and conversions |
![]() | ![]() | Appendix B: How to determine soil moisture content |
![]() | ![]() | Appendix C: Spacing guide for contour ditches and other erosion barriers* |
![]() | ![]() | Appendix D: Composition of common chemical fertilizers |
![]() | ![]() | Appendix E: Hunger signs in common crops |
![]() | ![]() | Appendix F: Legumes for green manuring and cover-cropping in tropical and subtropical regions |
![]() | ![]() | Appendix G: Some sources of technical support |
![]() | ![]() | Appendix H: A bibliography of useful references |