For citations:
Chernova O.V., Alyabina I.O., Bezuglova O.S., Litvinov Yu.A. The current state of the humus content of arable chernozems of the true steppes (the example of the Rostov region, Russia). South of Russia: ecology, development. 2020;15(4):99-113. (In Russ.) https://doi.org/10.18470/1992-1098-2020-4-99-113