FIELD: agriculture, in particular, soil amelioration, may be used for recultivation of soil contaminated with heavy metals, pesticides of urbanized landscapes as well as farm lands.
SUBSTANCE: sorbent-ameliorant contains mineral components such as bentonite clays, blue clays, and ash-and-slag mixture used in the following ratio, wt%: bentonite clays 36; ash-and-slag mixture 47; blue clays 17. Sorbent-ameliorant of such composition allows heavily contaminated soil to be effectively cleaned and structured.
EFFECT: improved cleaning of soil and thereby good water permeability of soil, increased content of compounds of nitrogen, calcium and other elements.
1 tbl
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Authors
Dates
2007-07-27—Published
2005-11-03—Filed