Part I. An Account of the Soil: 1. What the plant needs from the soil 2. The composition of the soil 3. The organic matter of the soil and the changes it undergoes 4. The effect of climate on the soil and on fertility Part II. The Control of the Soil: 5. Cultivation 6. The control of soil fertility Part III. Fertilisers: 7. The food of plants 8. The nitrogenous fertilisers 9. The phosphatic fertilisers 10. The potassic fertilisers 11. The minor elements of plant nutrition 12. Manures supplying organic matter: the simpler organic manures 13. Organic manures supplying plant food and humus, farmyard manure, composts, town refuse 14. Chalk, limestone, and lime 15. Manurial schemes for crops Appendix I. Field Experiments Appendix II. Some useful field data Appendix III. Fertiliser substances contained in crops Appendix IV. Some useful books on soils and manures and their uses.
Part I. An Account of the Soil: 1. What the plant needs from the soil 2. The composition of the soil 3. The organic matter of the soil and the changes it undergoes 4. The effect of climate on the soil and on fertility Part II. The Control of the Soil: 5. Cultivation 6. The control of soil fertility Part III. Fertilisers: 7. The food of plants 8. The nitrogenous fertilisers 9. The phosphatic fertilisers 10. The potassic fertilisers 11. The minor elements of plant nutrition 12. Manures supplying organic matter: the simpler organic manures 13. Organic manures supplying plant food and humus, farmyard manure, composts, town refuse 14. Chalk, limestone, and lime 15. Manurial schemes for crops Appendix I. Field Experiments Appendix II. Some useful field data Appendix III. Fertiliser substances contained in crops Appendix IV. Some useful books on soils and manures and their uses.
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