%0 Journal Article %T Efficiency of application of “Epin-extra” and “Zircon” biostimulants on potato landings in agroecological conditions of Republic of North Ossetia-Alania %A Gazdanova, I.O. %A Gerieva, F.T. %A Morgoev, T.A. %K biostimulator, Epin-extra, Zircon, mineral fertilizer, potato, productivity, preplant treatment. %J Agrarian Bulletin of the %D 2020 %N 199 %P 6 %I Ural State Agrarian University