Phosphatic clay products for use as soil wetting agents, and methods of delivery of phosphatic clays to soil
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United States of America Patent
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Dec 6, 2016
Grant Date -
Dec 18, 2014
app pub date -
Aug 29, 2014
filing date -
Aug 16, 2012
priority date (Note) -
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Abstract
Phosphatic clays, and the use of phosphatic clays as a soil wetting agent. Phosphatic clays as wetting agents aid in the retention of water in sandy soil, and/or for prevention or reduction of leaching of nutrients. Due to its unique mineralogy, rheology, particle size and shape, phosphatic clay exhibits high water absorbing and retaining qualities as compared to other clay varieties. Further, phosphatic clay is readily available as a by-product of mining of phosphatic ore. The phosphatic clay wetting agents increases the effectiveness of the water applied to the soil, thereby reducing the amount of run-off, and reducing the amount of water needed to accomplish sufficient irrigation. The phosphatic clay wetting agents can be delivered to the soil as a sprinkle-on product, granule product, spray-on product, soil amendment, fertilizer or seed coating, or fertilizer composition.
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