TY JOUR TI COAL FIELD ECOLOGICAL CONDITION INFLUENCE ON SIBERIAN CEDAR CULTURE GROWTH IN THE SOUTH KUZNETSK BASIN KW Siberian cedar KW overburden dumps KW embryo soils KW quality of locality classes KW soil hardness KW forest stand density JO Bulletin of KSAU AU Ufimtsev, V.I. PY 2013 IS PB Krasnoyarsk State Agrarian University