TY JOUR TI The basic technological components of growing and harvesting of grain of spring wheat in Kama zone of the Republic of Tatarstan KW wheat KW variety KW predecessors KW fertilizer. JO Vestnik of Kazan State Agrarian University AU Serzhanov, I.. AU Shaykhutdinov, F.. AU Mayorov, I.. PY 2013 IS 8 PB Kazan state agrarian University