Gilbert collings (1 Ergebnisse)
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Hardcover. Zustand: New. 4th Edition. Contents: Preface to fourth edition. Preface to First edition. 1. Origin and development of use of commercial fertilizers. 2. Source, production, and use of Sodium Nitrate. 3. Manufacture and use of Ammonium Sulfate. 4. Manufacture and use of Ammonium Nitrate. 5. Manufacture and use of synth…etic Nitrogenous fertilizers. 6. Sources and uses of organic nitrogenous fertilizers. 7. Sources and use of the mineral phosphates. 8. Sources and uses of bone phosphate and basic slag. 9. Manufacture and use of the superphosphates. 10. Use of Ammonia solutions as sources of Nitrogen in mixed fertilizers. 11. Production, manufacture, and use of the Potash fertilizers. 12. Fertilizers carrying the secondary essential elements-Sulfur, Calcium, and Magnesium. 13. Fertilizers carrying the rarer essential elements. 14. Fertilizers carrying elements not accepted as essential for plant growth. 15. Adjusting soil reaction and fertilizer practice to crop requirement. 16. Principles underlying the purchase of fertilizers. 17. Principles underlying the use of fertilizers. 18. Application of fertilizers, and their influence on germination and seedling growth. Bibliography. Index of proper names. Subject index. " Against the backdrop of rapidly changing and increasing knowledge about plant nutrition and fertilizer practice, the present work compiles authentic scientific information on the source, production and use of different inorganic and organic fertilizers. Influence of individual fertilizers on soil requirements and their comparative volume in relation 522 pp.
