Abstract

Abstract—Biological activity parameters are the most informative indicators used for the assessment of Chernozem soils' environmental status in agrocenosis. It is shown that the microbial succession direction after the plowing of virgin Chernozem soil depends on the use type. If the land is included into a crop rotation, the microbial community migrates to the adaptive stress zone; such changes can be regulated using agrotechnical methods. In a long-fallow soil, the microorganisms enter the resistance zone. The species structure of micromycetes is changing in arable soils. In the absence of plants, the rank of hydrolytic fungi decreases or their species are completely eliminated. Indicatory fungi species have been identified for Chernozem soils of various biocenoses.

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