TY JOUR TI NUTRITIOUSNESS AND EFFICIENCY OF PERSPECTIVE TYPES OF FORAGE CROPS IN THE FOREST-STEPPE OF EASTERN SIBERIA KW payza KW sorghum sugar KW annual clo-ver KW fodder units and digestible protein per a hec-tare KW the exchange of energy (EE) KW green forage mass assessment KW the level of profitability of fodder crops cultivation JO Bulletin of KSAU AU Avetisyan, A.A. AU Kolesnikov, V.A. AU Avetisyan, A.T. PY 2017 IS PB Krasnoyarsk State Agrarian University