四川桤木枝叶材积比重数学模型  

Mathematic Model of Branch Volume Proportion of Alnus cremastogyne

作　　者：张丽霞[1] 江远清[1] 

机构地区：[1]江西农业大学林学院,南昌330045

出　　处：《江西林业科技》2000年第S1期28-29,36,共3页Jiangxi Forestry Science and Technology

摘　　要：桤木是一个广谱应用的树种 ,故在计测其枝叶数量外 ,还应了解其枝叶材积占立木总材积比重 ,作为经营上决策依据。为了满足这种需求 ,本文依据 6Alnus cremastogyne is a popular species,both the branch quantities and branch volume proportion should to be acquired for manage dicision.For this require,61 cutting trees were measured and mathematic model of branch volume proportion were established.

关 键 词：四川桤木 枝叶材积比重 数学模型 

分 类 号：S792.14[农业科学—林木遗传育种]