TY CONF TI INFLUENCE OF AGRICULTURAL TECHNOLOGY ON FERTILITY SOILS AND CROPS PRODUCTIVITY KW fertility KW productivity KW organic fertilizers KW organic matter KW humus KW barley KW spring wheat KW annual grasses JO «PROBLEMS OF SOIL FERTILITY IN MODERN AGRICULTURE» AU Grehova, I.V. AU Semenov, V.K. AU Grehova, V.Y. AU Podchuvalova, A.A. PY 2024 PB Krasnoyarsk Scientific Research Institute of Agriculture is a separate division of the Federal Research Center KSC SB RAS