%0 Journal Article %T Comparative performance assessment seedling method for the introduction of Nigella damascena L. in the Middle Urals %A Abramchuk, A.V. %A Karpuhin, M.Y. %A Saparklycheva, S.E. %A Chulkova, V.V. %K Nigella damascena, efficiency of seedling method, phenological phases, productivity. %J Agrarian Bulletin of the %D 2020 %N 197 %P 7 %I Ural State Agrarian University