【摘要】 经过近30 a的引种造林试验表明,红松在大连市中北部地区生长表现良好,造林保存率达到33%~88.7%,在林龄10 a以前其生长速度略低于赤松和樟子松,但从其生长期长、材质优、综合效益大的特点上看,认为红松在本地区更具发展价值。更多还原

【Abstract】 Introduction Experiments for 30 years indicated that Pinus koraiensis grows better in middle of North Dalian region and the forest survival rate reaches 33%~88.7%.Before the stand age of the tree is 10 years,growth rate is lower than that of Pinus densiflora,Pinus sylvestris var.mongolica.Having the feature of long growth period,better medium and superior comprehensive benefit,it is regarded that Pinus koraiensis have more developing value in local region.更多还原