TY JOUR TI THE FOREST VEGETATION CON DITION TYPE INFLUENCE ON THE ROOT SYSTEM ABSORBING ACTIVITY AND ON SIBERIAN LARCH BIOLOGICAL PRODUCTIVITY AT THE ORGANISM LEVEL IN ONTOGENESIS KW Siberian larch KW photosynthesis net productivity KW mineral nutrition KW biological productivity KW forest types KW ontogenesis KW Krasnoyarsk Krai JO Bulletin of KSAU AU Lebedev, E.V. PY 2013 IS PB Krasnoyarsk State Agrarian University