For citations:

Yashin I.M., Vasenev I.I., Ramazanov S.R. Ecogeochemical assessment of water migration of substances in the chernozems of the Volga Upland. IZVESTIYA OF TIMIRYAZEV AGRICULTURAL ACADEMY. 2019;(5):20-33. (In Russ.) https://doi.org/10.34677/0021-3420-2019-5-20-33