发明名称 Encapsulated earthworm cocoons
摘要 Gel capsules having a size approximately equal to that of the seed being planted and which contain: (a) an earthworm cocoon having one or more viable eggs; and (b) a material to provide a density to the capsules approximately equal to that of the seed being planted; are mixed with and planted with the seed to introduce earthworms to a field.
申请公布号 US5127186(A) 申请公布日期 1992.07.07
申请号 US19910733356 申请日期 1991.07.19
申请人 ADVANCED BIOTECHNOLOGY, INC. 发明人 KREITZER, WILLIAM R.
分类号 A01C7/00;A01C21/00;C05G3/00 主分类号 A01C7/00
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