00635naa#a2200181#i#450# EN\\bibl\119115 20260406210711.1 1819-4036 20211029b2021####ek#y0engy0150####ca RU GRAIN CROPS YIELD MODELS DEPENDING ON THE ORGANIC SUBSTANCE CONTENT IN THE SOIL Journal article Krasnoyarsk Krasnoyarsk State Agrarian University 2021 5 с. Journal article local Общие вопросы сельского хозяйства. 631 Trubnikov Yuriy Nikolaevich Shpedt Aleksandr Arturovich vestnik.kgau.ru