TY CONF TI CHANGES IN THE FERTILITY OF LEACHED CHERNOZEM DURING LONG-TERM APPLICATION OF MINERAL FERTILIZERS KW leached chernozem KW mineral fertilizers KW mobile phosphorus KW exchangeable potassium KW acidity JO «PROBLEMS OF SOIL FERTILITY IN MODERN AGRICULTURE» AU Yumashev, H.S. AU Zaharova, I.A. AU Bragina, Z.A. PY 2024 PB Krasnoyarsk Scientific Research Institute of Agriculture is a separate division of the Federal Research Center KSC SB RAS