Coated granular fertilizer
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United States of America Patent
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-
Feb 27, 2001
Grant Date -
N/A
app pub date -
Aug 6, 1993
filing date -
Aug 13, 1992
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A coated granular fertilizer which makes it possible to independently design the period since its application till 10% dissolution-out and the period since 10% dissolution-out till completion of its dissolution-out is provided, which fertilizer is prepared by coating a granular fertilizer with a coating having a sugar polymer or its derivative dispersed therein, and has a time limit dissolution-out function, the former period till 10% dissolution-out and the latter dissolution-out duration being respectively capable of being controlled to within a range of 26 to 315 days and a range of 29 to 371 days.
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Family
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Cited Art Landscape
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