TY JOUR TI CHANGE IN THE AGROPHYSICAL PROPERTIES OF LEACHED CHERNOZEM DEPENDING ON MINIMIZING THE BASIC SOIL TILLAGE KW minimization KW tillage KW organic-mineral KW fertilizers KW agrophysical properties KW wheat KW productivity JO Vestnik of Kazan State Agrarian University AU Ilyasov, M.. AU Suhanova, I.M. AU Bikkinina, L.M. AU Sidorov, V.V. PY 2020 IS 14 PB Kazan state agrarian University