Rock phosphate/sulfur fertilizer composition
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United States of America Patent
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Oct 15, 1985
Grant Date -
N/A
app pub date -
Mar 14, 1983
filing date -
Mar 14, 1983
priority date (Note) -
Expired
status (Latency Note)
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Abstract
A fertilizer composition which provides high soil mobility of phosphorus comprising an intimate mixture of 1 to 100 micron size ground rock phosphate and sufficient sulfur of 1 to 5 micron size in a weight ratio of P.sub.2 O.sub.5 :S in the range of 1:0.5 to 1:2.0 to convert said rock phosphate to a soluble form of phosphorus when said sulfur is oxidized by soil bacteria to sulfuric acid.
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