TY JOUR TI FORMATION OF FIELD CROPS GRAIN QUALITY DEPENDING ON PREDECESSORS AT CULTIVATION IN THE FOREST STEPPE ZONE OF WESTERN SIBERIA KW predecessor KW grain quality KW variety KW yield KW protein KW gluten JO Bulletin of KSAU AU Chibis, V.V. AU Chibis, S.P. PY 2016 IS PB Krasnoyarsk State Agrarian University