TY JOUR TI Change of physical and chemical properties of grey forest soil of Tatarstan agrocenosis under the influence of Alfalfa cultivated on different mineral nutrition backgrounds KW JO Vestnik of Kazan State Agrarian University AU Sochneva, S.. AU Minnulin, G.. AU Safiollin, F.N. PY 2013 IS 8 PB Kazan state agrarian University