%0 Journal Article %T KINEMATIC ANALYSIS AND SUBSTANTIATION OF THE PARAMETERS OF A SPIRAL-SCREW WORKING UNIT OF A SOIL PROCESSING MACHINE %A Nuriev, L.M. %A Yarullin , F.. %A Yakhin, S.M. %A Aliakberov , I.. %A Khusainov, R.. %K presowing tillage; spiral-screw working unit, kinematic and structural parameters %J Vestnik of Kazan State Agrarian University %D 2020 %N 15 %P 5 %I Kazan state agrarian University