FIELD: agriculture. SUBSTANCE: method involves applying ameliorants, mineral and organic fertilizers; tilling soil and providing agronomical practices. Apart from ameliorants and fertilizers used for basic soil cultivation, white sludge produced in the process of desilication of alumina solution of alumina wastes is applied into soil at the rate of 30-150 t per hectare. Method provides for reduced contamination of soil and plants with heavy metals. EFFECT: increased efficiency and improved ecology control. 2 cl, 5 tbl
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Authors
Dates
2002-09-27—Published
2001-01-17—Filed