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Influence of oil pollution on the activity of hydrolytic enzymes of sod-podzolic soil against the background of the use of biological products

The article presents the results of studies of the effect of biological products based on oil-oxidizing bacteria on the enzymatic activity of soddy-podzolic soil contaminated with oil. Barley (Hordeum sativum L) and wheat (Triticum vulgare L.) were used as phytomeliorants. The effect of different concentrations of oil on the activity of enzymes such as invertase, phosphatase, urease is shown. It was found that the activity of the studied enzymes depended on the concentration of the pollutant and the duration of oil exposure to the soil environment. It is noted that the treatment of oil-contaminated soil with biological products contributes to the restoration of its biological activity.