crown height

基本解释

Its occurence is relative to topography, relief, wind, vertical crown height and stand type.
其发生与地形地势、风、树冠垂直高度、林分因子有关。
The "crown diameter-crown height" 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。
The gross flowers and height, diameter, crown width, crown height, crown surface of Chinese fir clones in Guangxi area were investigated by genetic correlation analysis and path-coefficient analysis.
对广西杉木无性系的总花量与树高、胸径、冠幅、冠高、树冠表面积进行了遗传相关及通径分析分析表明：总花量与生长性状之间的遗传相关系数均为负值；