Manures And Fertilizers; a Text-Book for College Students And a Work of Reference for All Interested in the Scientific Aspects of Modern Farming
The book Manures And Fertilizers; a Text-Book for College Students And a Work of Reference for All Interested in the Scientific Aspects of Modern Farming was written by author Wheeler, H. J. (Homer Jay), B. 1861 Here you can read free online of Manures And Fertilizers; a Text-Book for College Students And a Work of Reference for All Interested in the Scientific Aspects of Modern Farming book, rate and share your impressions in comments. If you don't know what to write, just answer the question: Why is Manures And Fertilizers; a Text-Book for College Students And a Work of Reference for All Interested in the Scientific Aspects of Modern Farming a good or bad book?
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The direct manufacture of these high-grade phosphates is economical only where fuel is cheap and where sulfuric acid and low-grade phosphates are available at very low cost ; or where the material must be transported for long distances, as may yet be the case in the United States when the phosphate beds of Florida and Tennessee are exhausted and those of the far West must be drawn upon to supply the needs of the East. These high-grade phosphates are often of material 206 FERTILIZERS service to ...the fertilizer manufacturer in the preparation of some of the higher grades of mixed fertihzers, for by their use lower grades of potassium salts or of nitrogenous materials may be employed than would otherwise be pos- sible. (See Fig. 19.) 350. Dissolved bone. — Raw bone is now seldom treated with sulfuric acid, for the purpose of manufactur- ing dissolved bone, owing to the fact that it yields a sticky, gelatinous mass which it is difficult to handle. By steaming, bone becomes friable, and it may then be treated with sulfuric acid without difficulty.
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