Further reading about tillage FAO bulletins Book 71 Tillage systems in the tropics Contents Foreword 1. THE TROPICAL ENVIRONMENT 2. PREDOMINANT FARMING SYSTEMS OF THE TROPICS 3. TILLAGE SYSTEMS 4. SOIL SURFACE MANAGEMENT 5. IMPROVING ROOTING DEPTH 6. CROP RESPONSE TO TILLAGE ON VARIOUS SOILS 7. CONSERVATION TILLAGE IN THE TROPICS 8. TILLAGE SYSTEMS AND AGRICULTURAL SUSTAINABILITY 9. SOIL PROPERTIES AS A GUIDE TO TILLAGE 10. CONCLUSIONS: RESEARCH AND DEVELOPMENT PRIORITIES REFERENCES EU-study No-Tillage Seeding Precious Earth IITA proceedings Conservation Tillage for Sustainable Crop Production System