00641naa#a2200181#i#4500001001600000005001700016011001400033100004100047102000700088200010600095210006100201215001000262608002700272675007300299700003400372700003200406856002100438EN\\bibl\11698620260320053835.5##a1819-4036##a20220228b2022####ek#y0engy0150####ca##aRU1#aCHERNOZEM HUMUS STATE CHANGE OF THE CHELYABINSK REGION AS AN AGRICULTURAL USE RESULTeJournal article1#aKrasnoyarskcKrasnoyarsk State Agrarian Universityd2022##a8 с.##aJournal article2local##aОбщие вопросы сельского хозяйства. 631#1aZAHAROVAgIrina Aleksandrovna#1aYumashevgHaris Sadreyevich4#akgau.editorum.ru