@article{Surinov2021dynamics,
author={Surinov, A.V.},
title={DYNAMICS OF FERTILITY OF AGRICULTURAL CHERNOZEMS OF FOREST-STEPPE ZONE OF THE CENTRAL CHERNOZEM REGIONS OF RUSSIA},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2021},
pages={57-61},
volume={16},
issue={1},
}