 |  | Better Farming Series 05 - The Soil: How to Conserve the Soil (FAO - INADES, 1976, 29 p.) |
 |  | (introduction...) |
 |  | Preface |
 |  | Plan of work |
 |  | The soil can change |
 |  | (introduction...) |
 |  | Erosion |
 |  | Rainwater may carry away cultivable land. |
 |  | The wind can also carry away earth. This is erosion by wind. |
 |  | Strong sun spoils the soil. |
 |  | How to conserve the soil |
 |  | (introduction...) |
 |  | Prevent erosion by stopping the flow of water |
 |  | Contour line ridges |
 |  | How to make contour lines |
 |  | Contour line barrier strips |
 |  | Contour line ditches |
 |  | Terrace farming |
 |  | Prevent erosion by covering the soil |
 |  | (introduction...) |
 |  | Mulching |
 |  | Cover crops |
 |  | Why we must not make brush fires |
 |  | Fallow |
 |  | Crop rotation |
 |  | Land - use allocation |
 |  | Suggested question paper |