TY JOUR TI INFLUENCE OF NUTRITION BACKGROUND, SOWING TIME AND PREDECESSORS ON GROWTH AND DEVELOPMENT AND YIELD OF WHEAT – EMMER (POLBA) IN KAMA ZONE OF THE REPUBLIC OF TATARSTAN KW wheat-emmer (polba) KW nutrition background KW sowing terms KW predecessors KW productivity. JO Vestnik of Kazan State Agrarian University AU Shaykhutdinov, F.. AU Serzhanov, I.. AU Zinnatullin, D.H. AU Garaev, R.I. PY 2018 IS 12 PB Kazan state agrarian University