Stand density had a weak impact on height, crownheight, crown width, diameter and length of upper branches;
密度对上层木的树高、冠长、冠幅、树冠上层枝直径和枝长等的影响比较小；
2
The "crown diameter-crownheight" correlation equations and the formulas of three-dimensional vegetation quantity of tree crown are established.
建立常见绿化树种“冠径—冠高”相关方程和树冠绿化三维量计算公式。
3
The gross flowers and height, diameter, crown width, crownheight, crown surface of Chinese fir clones in Guangxi area were investigated by genetic correlation analysis and path-coefficient analysis.