延安市安塞区油松大苗移栽造林现状调查  

Investigation on Status of Seedlings Transplanting Forestation of Pinus tabulaeformis in Ansai District of Yan′an City

作　　者：杨开荣 胡攀 YANG Kairong;HU Pan(Ansai District Greening Office in Yan′an City,Yan′an Shaanxi 717400;Ansai District Forestry Foreign Aid Project Cooperation Center in Yan′an City,Yan′an Shaanxi 717400)

机构地区：[1]延安市安塞区绿化办公室,陕西延安717400 [2]延安市安塞区林业外援项目合作中心,陕西延安717400

出　　处：《现代农业科技》2021年第2期105-106,109,共3页Modern Agricultural Science and Technology

摘　　要：对延安市安塞地区自2007年以来绿化栽植的油松进行了调查,以掌握其生长情况和成活率。结果表明,幼树生长弱、根径细、树干高、冠幅小,造林成活率在20%以下,造林失败。针对造林失败的原因,提出了相应的建议,以期为当地城区绿化造林提供参考。Pinus tabulaeformis planted in Ansai area of Yan′an City since 2007 was investigated in order to grasp its growth and survival rate.The results showed that the growth of sapling was weak,the root diameter was thin,the trunk was tall,the crown width was small,and the survival rate of forestation was less than 20%.The forestation failed.In view of the reasons for the failure of forestation,some suggestions were put forward,so as to provide reference for forestation in local urban areas.

关 键 词：油松 大苗移栽 幼树性状 根系性状 陕西延安 安塞区 

分 类 号：S791.254[农业科学—林木遗传育种]