00572naa#a2200157#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\40161 20240509004450.4 1997-4868 20201029b2020####ek#y0engy0150####ca RU Agrotechnical methods of alfalfa cultivation for seeds under irrigation conditions in the Lower Volga region Journal article Ekaterinburg Ural State Agrarian University 2020 7 с. Journal article local Burceva Natal'ya Ivanovna usau.editorum.ru