Multicomponent soil supplement
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United States of America Patent
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May 12, 1992
Issued Date -
N/A
app pub date -
Oct 29, 1987
filing date -
Oct 25, 1984
priority date (Note) -
Expired
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Abstract
A particulate soil supplement comprising, as a discontinous phase, solid particles of a water-soluble plant nutrient dispersed throughout a continous sulfur phase or matrix. Preferably, said particulate soil supplement additionally comprises solid particles of a water-insoluble plant nutrient dispersed throughout the continuous phase. These compositions are obtained by dispersing said water-soluble plant nutrient and, preferably, said water-insoluble plant nutrients in molten sulfur, and quenching the resulting dispersion in a non-phytotoxic oil, that is non-reactive to, and immiscible with molten sulfur, e.g., a paraffinic oil, under shearing conditions sufficient to comminute and solidify said molten sulfur into particles. These compositions have particular utility in agronomic applications as soil supplements for supplying both sulfur (as sulfate) as well as other plant nutrients at a continuous, regulated rate from inexpensive raw materials.
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Cited Art Landscape
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