TY JOUR TI DARK GRAY FOREST SOILS BIOLOGICAL ACTIVITY AND BARLEY YIELDS DEPENDING ON DIFFERENT TILLAGE SYSTEMS KW main tillage system KW linen KW decomposition intensity KW decomposition rate JO Bulletin of KSAU AU Perfil'ev, N.V. AU V'yushina, O.A. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University