@article{Karengina2019influence,
author={Karengina, L.B. and Baykin, Y.L. and Fedorov, A.N.},
title={INFLUENCE OF SAPROPEL ON THE YIELD OF ANNUAL GRASSES AND BARLEY},
journal={Agrarian Bulletin of the},
publisher={Ural State Agrarian University},
year={2019},
pages={4-8},
volume={185},
issue={6},
}