@article{Makarova2019effect,
author={Makarova, M.P. and Vinogradov, D.V.},
title={EFFECT OF SEED TIME AND MINERALS  ON  PRODUCTIVITY OF SUNFLOWER AGRICULTURAL AGROCOENOSIS IN THE CONDITIONS  OF THE RYAZAN REGION},
journal={Bulletin Samara State Agricultural Academy},
publisher={Samara State Agrarian University},
year={2019},
pages={9-16},
volume={4},
issue={3},
}