%0 Journal Article %T RATIONAL PARAMETERS AND OPERATION MODES OF MODERN TRACTORS IN CONDITIONS OF VARIABLE CHARACTER OF EXTERNAL INFLUENCES %A Zhuravlev, S.Y. %K tractor, tillage, rational parameters, vari-able load, design methods, operating weight %J Bulletin of KSAU %D 2018 %N %P 5 %I Krasnoyarsk State Agrarian University