TY JOUR TI THE STRUCTURE AND STOCKS OF HUMUS SUBSTANCES OF AGROCHERNOZYOM IN THE CONDITIONS OF THE MAIN PROCESSING OF THE SOIL KW agrochernozyom KW mold-board plowing KW minimal tillage KW zero tillage KW humus KW mobile humus JO Bulletin of KSAU AU Kurachenko, N.L. AU Kolesnik, A.A. PY 2017 IS PB Krasnoyarsk State Agrarian University