TY JOUR TI THE ENVIRONMENTAL FACTOR INFLUENCE ON BALSAM POPLAR RADIAL GROWTH IN TOMSK KW city KW anthropogenic factors KW arboreal plants KW radial growth KW balsam poplar JO Bulletin of KSAU AU Fedorova, O.A. AU Savchuk, D.A. PY 2013 IS PB Krasnoyarsk State Agrarian University