Efficient phosphate group fertilizers
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United States of America Patent
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Jul 23, 2013
Grant Date -
Jul 7, 2011
app pub date -
Nov 4, 2010
filing date -
Nov 4, 2009
priority date (Note) -
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Abstract
An efficient phosphate fertilizer composition is provided, comprising organic material such as lignite treated with ammonia and phosphoric acid in various proportions to derive direct phosphate fertilizer or ammoniated phosphate.
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