Abstract

Based on the example of soils from the Moscow Region a number of biological activity indicators of arable, virgin, and post-agrogenic soils were studied. The lowest indicators of biological activity (potential breathing activity, biomass of microorganisms and the relationship between carbon and microorganisms to soil carbon) were shown by arable soils. Among post-agrogenic soils, the soils of neglected fields, which formed after the termination of plowing, are more biogenic than soils of perennial dry meadows; this is due to the combination of a high level of fertilizer elements and the annual receipt of a soft vegetative substrate. The carbon dioxide emissions of a soil as a multifactor and strongly varying indicator cannot be the only criterion of the biological activity of a soil.

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