%0 Journal Article %T Nitrogen fertilizers efficiency in the cultivation of winter wheat sown after sunflower %A Popov, A.S. %A Suharev, A.A. %A Ovsyannikova, G.V. %A Kravchenko, N.S. %K winter wheat, nitrogen fertilizers, additional fertilizing, productivity, grain quality, economic efficiency %J Agrarian Bulletin of the %D 2022 %N 225 %P 9 %I Ural State Agrarian University