Potassium polyphosphate protein hydrolysate fertilizer
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United States of America Patent
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Jan 1, 1985
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N/A
app pub date -
May 17, 1983
filing date -
May 17, 1983
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Expired
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Abstract
The effectiveness of a potassium polyphosphate fertilizer is enhanced resulting in higher intake of phosphorus and potassium into plant tissues and higher crop yields by the foliar application to growing plants of a composition comprising a blend of potassium and ammonium polyphosphates which also contains an effective amount of a protein hydrolysate.
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