%0 Journal Article %T THE RATIONAL USE OF K-744P SERIES TRACTORS ON THE MAIN SOIL PROCESSING %A Selivanov, N.I. %A Zaprudskiy, B.H. %K development of aggregates, soil processing, technology, tractor, model, series, mode %J Bulletin of KSAU %D 2013 %N %P 6 %I Krasnoyarsk State Agrarian University