TY JOUR TI FALLOW CROPS PRODUCTIVITY AND THE ROLE OF FALLOW UNDER DRID CONDITIONS OF THE SOUTHERN URALS STEPPE ZONE KW soil-protective fallow KW dry years KW green manure fallow KW crop rotation KW productivity KW productive moisture KW macroelements KW fertilizer JO Bulletin of KSAU AU Skorokhodov, V.Y. PY 2023 IS 0 PB Krasnoyarsk State Agrarian University