TY JOUR TI BIOLOGICAL ACTIVITY OF LEACHED CHERNOZEM DEPENDING ON BIOLOGICAL PRODUCTS APPLIED ON POTATOES IN THE ALTAI REGION’S OB RIVER AREA KW biological activity KW leached chernozem KW microbiological preparations KW potatoes KW yield KW microbial cenosis JO Bulletin of KSAU AU Kursakova, V.S. AU Stupina, L.A. PY 2024 IS 0 PB Krasnoyarsk State Agrarian University