@article{Chuyan2022the,
author={Chuyan, N.A. and Breskina, G.M.},
title={The effect of biological preparations on the indicators of biological activity of typical slightly eroded chernozem},
journal={Agrarian Bulletin of the},
publisher={Ural State Agrarian University},
year={2022},
pages={21-32},
volume={220},
issue={05},
}