CONTENTS:- 1. Composion, Nutritive Value. 2. Ammoniation of Crop Residues. 3. Soil Fertility. 4. Soil Management. 5. Soil Nutrients. 6. Crop Establishment. 7. Soil Preparation. 8. Acidity, Salinity, Solonetzic. 9. Effect of Temperature. Frost, Hail.