@article{Chupina2017the,
author={Chupina, M.P. and Stepanov, A.F. and Khristich, V..},
title={THE INFLUENCE SILPHIUM PERFOLIATUM AS PREDECESSOR ON PRODUCTIVITY OF GRAIN-CROPS},
journal={Bulletin of KSAU},
publisher={Krasnoyarsk State Agrarian University},
year={2017},
pages={3-9},
volume={},
issue={6},
}