TY JOUR TI THE RATIONAL FORAGE BASE - THE BASIS OF THE LIVESTOCK PRODUCTION GROWTH KW forage base KW structure of arable land KW optimum feed ration KW milk yield KW macrodistrict JO Bulletin of KSAU AU Kolesnyak, I.A. AU Kolesnyak, A.A. PY 2014 IS PB Krasnoyarsk State Agrarian University