%0 Journal Article %T Formation of the harvest and sowing qualities of spring wheat seeds, depending on different seed size and uniformity in the forest-of Kama of Volga steppe zone %A Safin, A.. %A Serzhanov, I.. %A Shaykhutdinov, F.. %K fraction, seeds, spring wheat, yield. %J Vestnik of Kazan State Agrarian University %D 2013 %N 8 %P 3 %I Kazan state agrarian University