00640naa#a2200205#i#450# EN\\bibl\131792 20260730051902.4 2222-0364 20260625b2026####ek#y0engy0150####ca RUS RU The effectiveness of nitrogen fertilizers when cultivating spring wheat varieties using various tillage technologies Journal article Omsk FSBEI HE Omsk SAU 2026 5 с. Journal article local Пшеница. Triticum ssp.. 633.11 RUS Zagorodniy B V Popova V I Bobrenko I A vestnik.omgau.ru