TY JOUR TI CORRELATION OF GRAIN AND LEGUMINOUS CROPS YIELD FROM AGROCHEMICAL SOIL PARAMETERS AND WEATHER CONDITIONS KW yield KW winter rye KW spring wheat KW barley KW peas KW the amount of active temperatures KW hydrothermal coefficient KW rainfall KW correlation KW the content of mobile forms of phosphorus and potassium KW soil acidity. JO Vestnik of Kazan State Agrarian University AU Muratov, M.. AU Gilyazov, M.. PY 2015 IS 10 PB Kazan state agrarian University