@article{Kumratova2021productivity,
author={Kumratova, A.M. and Aleschenko, V.V.},
title={PRODUCTIVITY OF GRAIN PRODUCTION IN RUSSIA: TRENDS AND PROSPECTS},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2021},
pages={142-146},
volume={16},
issue={3},
}