%0 Journal Article %T DENSITY COMPOSITION OF TOPSOIL, DEPENDING ON VARIETY AND METHODS OF BASIC SOIL CULTIVATION %A Shashkarov, L.. %A Ovchinnikov, A.. %K spring barley, variety, soil density, soil cultivation, plowing, disking, milling. %J Vestnik of Kazan State Agrarian University %D 2016 %N 11 %P 3 %I Kazan state agrarian University