00582naa#a2200181#i#450# EN\\bibl\3294 20241202181017.1 2073-0462 20141010b2014####ek#y0engy0150####ca RUS RU Modeling of productional process and assessment of a biological crop of winter wheat in the conditions of Central Volga area Journal article Kazan Kazan state agrarian University 2014 7 с. Journal article local Glukhovtsev Vladimir Samokhvalova Elena zh-szf.ru