TY JOUR TI TO THE SUBSTANTIATION OF FEED GRAIN HARVESTING PERIOD AND TECHNICAL RIGGING OF HARVESTING PROCESS IN PRODUCTION TECHNOLOGY OF FLATTENED FODDER GRAIN KW grain KW ripeness phase KW harvesting KW period KW combine harvester KW technical rigging KW humidity of grain KW insufficient thresh KW reel KW thresher JO Bulletin of KSAU AU Lovchikov, A.P. AU Lovchikov, V.P. AU Iksanov, S.S. AU Korytko, A.V. AU Kosov, P.A. PY 2012 IS PB Krasnoyarsk State Agrarian University