An experiment was conducted to study the wood tissue ratio of 42 species of conifers belonging to 18 genera and 6 families using stereological microscopy.

• 摘要用体视显微技术研究了6科18属42种针叶树材的组织率，结果表明：随着胞壁率增大，木材实质密度增大，而木材孔隙率减小；