CONTROLLED RELEASE FERTILIZER COMPOSITION
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United States of America Patent
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app pub date -
Aug 16, 2011
filing date -
Jul 16, 2008
priority date (Note) -
Abandoned
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Abstract
A controlled release fertilizer composition and methods to produce the controlled release fertilizer composition are described. The controlled release fertilizer composition comprises a water soluble fertilizer core that is coated with a polymeric layer, intermediate layer, and a sulfur layer. If desired, the sulfur layer can be coated with an outer water-insoluble layer.
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