TY JOUR TI THE INFLUENCE OF THE SOIL DIFFERENT AGROCHEMICAL CONDITION ON WINTER WHEAT PLANT PRODUCTIVITY IN THE CONDITIONS OF PRIMORSKY KRAI USSURIISK REGION KW fertility KW agrochemical indices KW optimality KW productivity KW winter wheat JO Bulletin of KSAU AU Fadyakina, I.S. PY 2013 IS PB Krasnoyarsk State Agrarian University