专利名称：Soil conditioning
发明人：Michael C. Laker,Johannes Dekker,Izak J.
Cronje
申请号：US07/884889申请日：19920518公开号：US05248327A公开日：19930928
摘要：The soil aggregate stability of a soil, particularly a crusting or compacting soil, isimproved by the addition of a coal- derived product which is a humic acid gel, a humic acidsalt gel, a humic acid salt which is capable of forming a gel in water or mixtures thereof.
申请人：NATIONAL ENERGY COUNCIL
代理机构：Cushman, Darby & Cushman
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