TY JOUR TI SOIL CONDITIONS OF FOREST VEGETATION GROWTH OF NORTHERN VOLGA KW the Volga region of the Republic of Tatarstan KW soil of forest ecosystems KW soil structure KW vegetation biodiversity. JO Vestnik of Kazan State Agrarian University AU Zhubrin, D.. AU Sabirov, A.. PY 2014 IS 9 PB Kazan state agrarian University