毛白杨4个栽培种的木材构造及物理力学性质

Wood Structure and Physical Properties of Four Types of Populus tomentosa Carr

对杨陵地区人工栽培的毛白杨木材解剖、物理力学性质的研究。结果表明：４个类型在木材解剖特征，物理力学性质上都存在不同程度的差异。此外还发现毛白杨具有异形木射线。

Researches the wood anatomical and physical properties of four types of Populus tomentosa Cars.artificially cultivated in YanglingThere exist differences in wood anatomical and physical properties to varying degrees among the four. In addition,heterogeneaus ray is found in it.