FIELD: biotechnologies.
SUBSTANCE: invention relates to the biotechnology. Method involves treating soil contaminated with oil and oil products, a Bacillus subtilis-based biofungicide solution in ratio of 4 to 6 g of powder per 10 l of water per 1 m2 of the contaminated surface area. After that, but not less than 2 hours, a mixture of adsorbent-ameliorant - brewer grains and slowly released organic fertilizer - waste kieselguhr at ratio of 1-1.5:1. Brewer grains with moisture content of 10 to 17% and waste kieselguhr with humidity of 60 to 75% are used. Then, loosening is performed at depth of 25-30 cm and surface irrigation is performed.
EFFECT: invention provides effective recultivation of soil contaminated with oil and oil products.
1 cl, 5 tbl, 3 ex
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Authors
Dates
2020-12-14—Published
2020-06-26—Filed