TY JOUR TI REACTION OF SPRING WHEAT IREN ON ABIOTIC CONDITIONS WITH CHEMICAL COMPOSITION OF GRAIN KW spring wheat KW Iren variety KW chemical elements KW abiotic conditions JO Vestnik of Kazan State Agrarian University AU Fatykhov, I.S. AU Korepanova, E.V. AU Borisov, B.B. PY 2017 IS 12 PB Kazan state agrarian University