Method of promoting water transport through soil
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United States of America Patent
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-
Nov 24, 1981
Grant Date -
N/A
app pub date -
May 8, 1980
filing date -
May 8, 1980
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A method of promoting the transport of water through medium and coarse grained soils comprising the step of applying to the medium or coarse grained soil a soil amendment composition at a level of less than 20 parts per million parts by weight of dry soil, and preferably less than 5 ppm. The composition comprises a substantially linear, substantially water-soluble hydrophilic polymer having a molecular weight greater than 50,000. A preferred polymer is poly (ethylene oxide) having a molecular weight of 300,000 to 7,000,000.
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Cited Art Landscape
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