TY JOUR TI EXPERIMENTAL RESEARCH STRUCTURE OF THE SOIL-CULTIVATING UNIT ADAPTATION TO THE NATURAL AND INDUSTRIAL CONDITIONS KW tractor KW tractor and couple properties KW soil-cultivating unit KW rational parameters KW adaptation KW natural and industrial conditions JO Bulletin of KSAU AU Selivanov, N.I. AU Zaprudsky, V.N. PY 2012 IS 0 PB Krasnoyarsk State Agrarian University