Abstract
The article presents the results of a field trial of bio- and phytoremediation technology at a site contaminated with obsolete pesticides (Chym Korgon village, Chui region, KR N 42049’23.9” and E 75031’49.8” and an altitude of 974 m above sea level). Fermented products based on three active bacteria were used to effectively perform bioaugmentation and bioremediation of 19 types of pesticides found around the warehouse. These bacteria are Stenotrophomonas sp. (strain Ps-B), L. fusiformis (strain SA-4) and E. cloacae (strain SB-2), which contain the P450 gene responsible for the activity of cytochrome enzymes. This bioproduct decomposed 19 types of pesticides at a concentration of 4 to 15 mg per kg of soil for six months to 99.0 ± 0.05% (P < 0.05). Chromatographic analyses confirmed the effectiveness of phytoremediation after microbiological remediation, as within 5-6 months of the growing season, plants could remove the remaining concentrations of pesticides in the soil
Keywords
References
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