%0 Journal Article %T FORESTRY EFFICIENCY OF THE PROLONGED-GRADUAL CUTTING IN THE VOLOGDA REGION %A Druzhinin, F.N. %A Pestovskiy, A.S. %K prolonged-gradual cutting, the method of tree selection for cutting, cutting intensity, forest stand condition, forest element safety, growth energy %J Bulletin of KSAU %D 2014 %N %P 5 %I Krasnoyarsk State Agrarian University