00506naa#a2200181#i#450# EN\\bibl\2115 20241130065237.6 2073-0462 20140907b2014####ek#y0engy0150####ca RUS RU SOIL CONDITIONS OF FOREST VEGETATION GROWTH OF NORTHERN VOLGA Journal article Kazan Kazan state agrarian University 2014 4 с. Journal article local Zhubrin Denis Sabirov Ayrat zh-szf.ru