大叶山杨人工林胸径分布规律研究初报  

Preliminary Report on Distribution Law of DBH of Populus davidiana Plantation

作　　者：初艳[1] 王重舒 陆斐[1] 

机构地区：[1]吉林市林业科学研究院,吉林吉林132013 [2]吉林市林木种苗管理站,吉林吉林132013

出　　处：《防护林科技》2017年第9期61-62,共2页Protection Forest Science and Technology

摘　　要：通过对7块不同年龄的大叶山杨人工林胸径调查数据进行统计分析,结果表明:大叶山杨人工林胸径大体服从左偏正态分布;大叶山杨优良无性系组培苗胸径年生长量最大。The survey data of DBH of Populus davidiana plantation with seven different ages were analyzed statisti-cally. Result shows that DBH of Populus davidiana is similar to the normal distribution of the left margin. The a-mount of annual growth DBH of tissue culture for Populus davidiana is the largest.

关 键 词：大叶山杨 人工林 胸径分布规律 

分 类 号：S792.114[农业科学—林木遗传育种]