00597naa#a2200157#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\42602 20240716152102.2 1997-4868 20210313b2021####ek#y0engy0150####ca RU Research of grain yield dynamics in Russia in the context of scientific and technological development of the crop production industry Journal article Ekaterinburg Ural State Agrarian University 2021 9 с. Journal article local Petuhova Marina Sergeevna usau.editorum.ru