TY CONF TI DEPENDENCE OF THE AREA OF THE UPPER TIER OF LEAVES OF SOFT SPRING WHEAT ON THE INTENSIFICATION AND METHODS OF TILLAGE IN THE FOREST-STEPPE OF THE OMSK REGION KW soft spring wheat KW leaf KW tillage KW intensification means JO «PROBLEMS OF SOIL FERTILITY IN MODERN AGRICULTURE» AU Korchagina, I.A. AU Kozhevina, M.N. AU Yuschenko, D.N. PY 2024 PB Krasnoyarsk Scientific Research Institute of Agriculture is a separate division of the Federal Research Center KSC SB RAS