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Soil treatment
专利权人:
GREEN, WILLIAM EDWARD
发明人:
GREEN, WILLIAM EDWARD
申请号:
US19720238039
公开号:
US3864114(A)
申请日:
1972.03.27
申请国别(地区):
美国
年份:
1975
代理人:
摘要:
This invention relates to the controlled application of an active chemical to the soil through the use of a carrier or substratum in the form of an active chemical impregnated string, web, or sheet throughout the extent of which the chemicals are made available to the leaching action of rain and surface waters for migration to the soil upon which the coated carrier and active chemical is deposited.
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