TY JOUR TI EFFICIENCY OF THE TECHNOLOGICAL PROCESSES FOR SOIL BASIC CULTIVATION KW technology KW soil basic cultivation KW combined unit KW specific resistance KW high-speed mode KW productivity KW power inputs KW required power JO Bulletin of KSAU AU Selivanov, N.I. AU Zaprudsky, V.N. PY 2012 IS PB Krasnoyarsk State Agrarian University