@article{Fesenko2021influence, author={Fesenko, M.A. and Shpanev, A.M.}, title={INFLUENCE OF CHEMICALS ON THE OPTICAL PROPERTIES OF AGROCENOSIS OF SPRING BARLEY WITH PERENNIAL GRASSES}, journal={Vestnik of Kazan State Agrarian University}, publisher={Kazan state agrarian University}, year={2021}, pages={55-59}, volume={16}, issue={2}, }