00661naa#a2200181#i#450# EN\URAL'SKIY GOSUDARSTVENNYY AGRARNYY UNIVERSITET\bibl\49614 20240503090056.5 1997-4868 20220331b2022####ek#y0engy0150####ca RU Biological productivity of ultra-early corn hybrids in various soil and climatic zones of the Ural region Journal article Ekaterinburg Ural State Agrarian University 2022 12 с. Journal article local Panfilov Aleksey Eduardovich Zezin Nikita Nikolaevich Ovchinnnikov Pavel Yur'evich usau.editorum.ru