@article{Vladimirov2014ways,
author={Vladimirov, S..},
title={Ways of improving the use of photosynthetically active radiation  in potato cultivation in the middle Volga steppe},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2014},
pages={103-108},
volume={8},
issue={4},
}