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전상근,노연희 ( Sang Keun Chon,Youn Hee Noh ) 한국산림과학회 1983 한국산림과학회지 Vol.62 No.1
Number of 1-year-old cone in Pinus koraiensis was influenced by the factors consisting of the tree form. Number of cones increased with increasing DBH, diameter, volume of crown and number of forked stems. However, tree height, crown length, and the ratio of crown diameter to crown length showed no significant relations with number of cones.