FIELD: biotechnology.
SUBSTANCE: method for cleaning contaminated technosols using a microbial-plant association, which can be used at the biological stage of cleaning soils contaminated with heavy metals. When implementing the method, technosols are sowed with a symbiotic microbial-plant association, including seeds of red clover Trifolium pratense L. and a consortium of microorganisms that are resistant to heavy metals, Bacillus edaphicus VKPM B-7517 and Bacillus mucilaginosus VKPM B-7519, and the association is taken from the calculation 1.5 l working solution with cell concentration 1×106-1×107 CFU/ml per 1 kg of seeds, at a consumption of 19-20 kg of seeds/ha.
EFFECT: reducing the concentration of heavy metals in the soils of technogenically disturbed areas.
3 cl, 2 tbl
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