TY JOUR TI LEGUME COMPONENTS AND AMINO ACID PRODUCTIVITY OF SUDAN GRASS AND SUNFLOWER SILAGE USAGE MIXTURE AT DIFFERENT LEVELS OF MINERAL NUTRITION KW sunflower KW sudan grass KW soybeans KW vetch KW protein KW amino acids KW silage JO Bulletin Samara State Agricultural Academy AU Tsybulskiy, A.. AU Kiseleva, L.V. AU Vasin, V.G. PY 2017 IS 2 PB Samara State Agrarian University