%0 Journal Article %T The effectiveness of nitrogen fertilizers when cultivating spring wheat varieties using various tillage technologies %A Zagorodniy, B.V. %A Popova, V.I. %A Bobrenko, I.A. %K spring wheat, nitrogen, fertilizer, variety, tillage %J Vestnik of Omsk SAU %D 2026 %N 62 %P 5 %I FSBEI HE Omsk SAU