TY CONF TI THE EFFECT OF ASSOCIATIVE DIAZOTROPHS ON THE MICROBIOLOGICAL ACTIVITY OF SOIL DURING THE CULTIVATION OF GRAIN AND LEGUMINOUS CROPS KW spring soft wheat KW barley KW oats KW soybean KW variety KW biological preparations KW microbial cenosis JO «PROBLEMS OF SOIL FERTILITY IN MODERN AGRICULTURE» AU Popolzuhina, N.A. AU Popolzuhin, P.V. AU Hamova, O.F. PY 2024 PB Krasnoyarsk Scientific Research Institute of Agriculture is a separate division of the Federal Research Center KSC SB RAS