TY JOUR TI THE PRODUCTIVITY AND NUTRITIVE VALUE OF FORAGE CROPS IN THE CONDITIONS OF KRASNOYARSK FOREST-STEPPE KW sorghum sugar KW Sudanese grass KW barnyard millet KW millet KW oats fodder KW amaranth KW colza KW productivity of green and dry material KW crops terms KW fodder unit KW digestible protein KW exchange energy JO Bulletin of KSAU AU Avetisyan, A.T. AU Romanov, V.N. PY 2015 IS PB Krasnoyarsk State Agrarian University