Further reading about tillage FAO bulletins Book 54 Tillage systems for soil and water conservation Contents Foreword 1. INTRODUCTION 2. LAND DEGRADATION 3. TILLAGE SYSTEMS 4. CROP MANAGEMENT SYSTEMS IN RELATION TO TILLAGE 5. SUPPORTING PRACTICES 6. TYPES AND USES OF CROP PRODUCTION EQUIPMENT REFERENCES APPENDIX EU-study No-Tillage Seeding Precious Earth IITA proceedings Conservation Tillage for Sustainable Crop Production System