Download e-book for iPad: Advances in Agronomy, Vol. 17 by A.G. Norman (Ed.)

Posted On March 14, 2018 at 11:10 am by / Comments Off on Download e-book for iPad: Advances in Agronomy, Vol. 17 by A.G. Norman (Ed.)

By A.G. Norman (Ed.)

ISBN-10: 0120007177

ISBN-13: 9780120007172

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Important advances in the phosphorus industry during recent years have been the discovery or opening up of new minable phosphate rock deposits, improvements in beneficiation or upgrading of the ore, development of superphosphoric acid, increasing output and use of triple superphosphate and the ammonium phosphates, the world trend toward higher analysis phosphate carriers, and continuing improvements in nitrophosphate processes. A. 1 million tons of P (British Sulphur Corporation, 1964). Production has risen steadily, averaging an increase of 6 per cent per year over the past 15 years.

Ammonium nitrate, if improperly handled, can present fire and explosion hazards. There has been a sharp increase in world production and use of ammonium nitrate (FAO, 1963). Nitrogen from ammonium nitrate now exceeds that of the former leading contender, ammonium sulfate. Practically all the more developed countries produce ammonium nitrate, and many of them have increased their output sharply in recent years. The United Kingdom, for example, practically doubled production in the 5-year period starting with 1957-1958.

Compared with anhydrous ammonia, nitrogen solutions are safer to handle and the application equipment is simpler and less costly. Nitrogen solutions are used in all parts of the United States, but the greatest use is in the West North Central, the East North Central, and the South Atlantic regions. The convenience of handling the solutions apparently has led to the rapid increase in usage. Nitrogen solutions are corrosive, particularly when they contain ammonium nitrate. The preferred construction material for storage is aluminum.

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Advances in Agronomy, Vol. 17 by A.G. Norman (Ed.)

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