TY JOUR TI MORPHOPHYSIOLOGICAL ESTIMATION OF THE STATE OF THE BIRCH (BETULA PENDULA ROTH) GROWING IN THE CONDITIONS OF SPOIL DUMP KEDROVSKY COAL MINE KW Betula pendula Roth KW synthesis of assimilates KW the content of ascorbic acid KW annual gain of lateral shoots KW number KW mass and area of leaves KW coal dump KW Betula pendula Roth JO Bulletin of KSAU AU Kolmogorova, E.Y. PY 2017 IS PB Krasnoyarsk State Agrarian University