@article{Tagirov2014influence,
author={Tagirov, M.S. and Gazizov, I.. and Fadeeva, I..},
title={Influence of level of a nitric food on efficiency and quality of grain of winter wheat in the conditions of Predkamya of RT },
journal={Vestnik of Kazan State Agrarian University},
publisher={Kazan state agrarian University},
year={2014},
pages={91-94},
volume={9},
issue={1},
}