00584naa#a2200205#i#450# EN\\bibl\11620 20250331041150.1 2073-0462 20160325b2016####ek#y0engy0150####ca RUS RU SPRING BARLEY - MAIN FEED CROP OF THE REPUBLIC OF MARI EL Journal article Kazan Kazan state agrarian University 2016 4 с. Journal article local Zolotoreva Rimma Vinogradov Georgiy Maksimov Vladimir Ivanova Lidiya naukaru.ru