@article{Amirov2013fertilizers,
author={Amirov, M.F.},
title={Fertilizers influence on grain yield and quality of spring durum wheat in the steppe Volga},
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2013},
pages={84-87},
volume={8},
issue={3},
}