TY JOUR TI SPRING SOFT WHEAT YIELD VARIATION IN THE REPUBLIC OF TYVA STEPPE ZONE UNDER THE HYDROTHERMAL CONDITIONS, PRECURSORS AND MINERAL FERTILIZERS INFLUENCE KW hydrothermal conditions KW spring wheat KW productivity KW predecessors KW soil JO Bulletin of KSAU AU Sotpa, A.S. PY 2022 IS 0 PB Krasnoyarsk State Agrarian University