%0 Journal Article %T PRODUCTIVITY OF OVERGROUND SPRING RAPE BIOMASS IN DIFFERENT RECEIVES OF PRE-SOWING SOIL TREATMENT %A Fatykhov, I.S. %A Medvedev, V.V. %A Vafina, E.F. %K spring rape, yield, presowing processing methods. %J Vestnik of Kazan State Agrarian University %D 2018 %N 12 %P 2 %I Kazan state agrarian University