%0 Journal Article %T ASSESSMENT OF SHELTERWOOD AND NITRIC FERTILIZERS ON THE LIFE OF SPRUCE IN NORTH BIRCH GROVE %A Zarubina, L.V. %K blueberry birch groves, spruce growth, gradual felling, nitrogen fertilizers, photo-synthesis, pigments, root respiration, vegetative organs growth %J Bulletin of KSAU %D 2016 %N %P 9 %I Krasnoyarsk State Agrarian University