@article{Grebennikov2020photosynthetic,
author={Grebennikov, V.G. and Shipilov, I.A. and Khonina, O.V.},
title={Photosynthetic activity and agro-energy efficiency of growing perennial grasses under different modes of use of the grass stand},
journal={Agrarian Bulletin of the},
publisher={Ural State Agrarian University},
year={2020},
pages={2-11},
volume={198},
issue={7},
}