Abstract
The article provides data on the influence of different levels of oil pollution on the structure of the microbial community and the activity of catalase in sod-podzolic soil during the cultivation of barley and wheat. It also presents data on the effect of biopreparations based on oil-oxidizing bacteria on the total number of microorganisms, microscopic fungi, actinomycetes and catalase activity. Based on the analysis of the microflora of oil-contaminated soddy-podzolic soil, it was found that oil pollution affects the total number of microorganisms, the qualitative and quantitative composition of micromycetes. and actinomycetes. It was also found that small concentrations of oil stimulate the number of microbiota and catalase activity. The introduction of biological products based on oil-oxidizing bacteria has a beneficial effect on the indicators of the general biological activity of the soil. It is noted that the selection of a phytomeliorant is of great importance in the reclamation of non-contaminated soil.
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