%0 Journal Article %T RESULTS OF RESEARCH OF CYLINDER-SPIRAL SOIL-TILLING ROLLER %A Sharonov, I.A. %A Kurdyumov, V.I. %A Proshkin, V.E. %K soil density, cylindrical spiral roller, spiral, coefficient of compliance with the standard. %J Vestnik of Kazan State Agrarian University %D 2018 %N 13 %P 4 %I Kazan state agrarian University