For citations:

Gromovik A.I., Gorbunova N.S., Cherepuhina I.V. Transformation of humus condition of chernozems in agroecosystems of forest-steppe of the central black earth economic region. Plant Biology and Horticulture: theory, innovation. 2019;(148):42-49. (In Russ.) https://doi.org/10.25684/NBG.scbook.148.2019.04