TY JOUR TI ASSESSMENT OF ENZYMATIC ACTIVITY DIFFERENTIATION WHEN USING WASTE-FREE PROCESSING TECHNOLOGIES IN AGRO-CHERNOZEM LAYERS KW enzymatic activity of the soil KW protease KW urease KW waste-free tillage technologies JO Bulletin of KSAU AU Belousov, A.A. AU Belousova, E.N. PY 2025 IS 0 PB Krasnoyarsk State Agrarian University