TY JOUR TI ESTIMATION OF THE FERTILITY OF CHERNOZEM LEACHED ON THE BACKGROUND OF DIRECT SOWING OF GRAIN CROPS IN THE SOUTHERN TRANS-URALS KW direct sowing KW soil fertility KW soil structural condition KW grain-pair crop rotation KW leached chernozem. JO Bulletin of KSAU AU Anisimov, Y.B. AU Ageev, A.A. PY 2021 IS 0 PB Krasnoyarsk State Agrarian University