TY JOUR TI METHODICAL APPROACH OF THE DEVELOPMENT PROCESS OF DIRECT COMBINING OF GRAIN CROPS WITH DOUBLE CUT STEMS KW process KW direct combining KW system KW a subsystem KW model KW a factor KW a double cut KW a stalk KW an ear KW an intermediate product KW straw KW the combine cutting the device JO Bulletin of KSAU AU Lovchikov, A.P. AU Lovchikov, V.P. AU Iksanov, S.S. PY 2015 IS PB Krasnoyarsk State Agrarian University