%0 Journal Article %T SUBSTANTIATION OF THE OPTIMAL INCLINATION ANGLE OF ELLIPSOID DISC OF ROTATION SOIL-PROCESSING EQUIPMENT %A Gaynutdinov, R.H. %K soil cultivation, rotational ellipsoid disk, the angle of the disc. %J Vestnik of Kazan State Agrarian University %D 2017 %N 12 %P 3 %I Kazan state agrarian University