%0 Journal Article %T Influence of level of a nitric food on efficiency and quality of grain of winter wheat in the conditions of Predkamya of RT %A Tagirov, M.S. %A Gazizov, I.. %A Fadeeva, I.. %K winter wheat, grain quality, gluten. %J Vestnik of Kazan State Agrarian University %D 2014 %N 9 %P 3 %I Kazan state agrarian University