TY - BOOK AU - Simpson,Ken TI - Fertilizers and manures SN - 9780582447479 U1 - 631.81 19 PY - 1986/// CY - London, New York PB - Longman KW - Fertilizers KW - Manures N1 - Contents; 1. The need for fertilizers and manure 2. the nutrition of plants 3. Nutrient requirements of crops 4. The availability of nutrients to plants 5. The supply of nutrients to plants 6. Assessment of availability of nutrients 7. Lime and liming 8. Manures 9. Fertilizers 10. the main N, P, and K fertilizers 11. Other N. NPK fertilizers 12. Fertilizers other than NPK 13. Fertilizers and crop yield 14. fertilizers and crop quality 15. Fertilizer recommendation, selection and use 16. The economic use of fertilizers 17. Fertilizers in the future ; Bibliography : p. 243 . _ Index : p. 244-254. ER -