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。
Gailiangcheng had significantly smaller crown diameter, spring shoots, summer shoots, autumn shoots and the early stage yield than that of the other two.
改良橙作中间砧的冠径，春梢、夏梢、秋梢的生长：量和早期产量均显著地低于蕉柑、芦柑的。
The results showed that with pear genus dwarf stocks, the most combinations' trunk diameter is thinner, tree height is lower, growth shoots length is shorter, but crown diameter is bigger.
结果表明，梨属矮化砧木做中间砧，多数组合表现出树体干径细，高度低，发育枝短，但冠径较大。
With these step function models, the crown diameter growth of Eucalyptus clones can be predicted, and it also provided scientific basis for the reasonable management of Eucalyptus plantations.
利用已建立的阶跃函数模型可以有效地预测不同桉树品系人工林树冠生长动态，为桉树人工林的合理经营提供科学依据。
The first flowering time, changes of plant height, crown diameter, branch number, and flower number of Petunia hybrida'Fantasy Pink'cultivated separately in long days and short days were recorded.
将矮牵牛‘幻想粉红’分别培养在长日照和短日照条件下，观测其始花期及株高、株幅、分枝数和开花数的变化；
The crown of thorns starfish is large, twenty-five to thirty-five centimeters in diameter, and has seven to twenty-one arms that are covered in spines.
棘冠海星很大，直径长达25到35厘米，有7到21条手臂，上面布满了刺。
By using observation data over 50 years, the paper systematically analyzed the relations of different stand density with diameter, height, crown of trees and so on.
利用近50年的系统定位观测资料，分析红松果材兼用林不同林分密度与直径、树高、冠幅等主要测树因子的关系。
Ratio of height and diameter, crown and root, of root cutting seedling were strong with more fibrous root, and higher rate of fungus root infection than untreated normal field seedlings.
切根苗的高径比与冠根比均在壮苗的适宜范围内，须根数量多，菌根感染率高，均明显优于未切根的普通大田亩，这将有效地提高造林质量。
The POD activity have a strikingly negative relationship with the height of tree, trunk girth, diameter of crown, the volume of the tree crown, and the dwarfed nature of the stocks.
POD活性与树高、干周、冠径、树冠体积呈显著负相关，与砧木的矮化性呈负相关。
The stemflow is influenced by the water absorbing property of barks, the diameter in breast high of trees, the branch angles, the crown structure, the precipitation and the intensity of precipitation.
树干茎流的大小主要受树皮的吸水性能、树木胸径、树干枝角与冠型结构、降雨量及降雨强度的影响。
The correlation between the diameter of the front lateral root of Staghorn sumac and its basal diameter, crown width and height is more significant than that of the back part of the lateral root.
火炬树子株前端水平侧根直径与其地径、冠幅、树高的相关性高于后端水平侧根直径；
And there are obvious difference of stemflow among different species, the main factors that affect the stemflow are crown structure, diameter breast-high and crown width.
不同树种间的树干茎流量差异极显著，影响树干茎流量的主要树体特征因子是冠型结构、胸径和平均冠幅。
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；
Stand density had a weak impact on height, crown height, 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；
The maximum increment of stem diameter was at bottom, diminished up to branch height, then increased to crown.
人工林树干直径增量以地径处最大，向上逐渐变小，从枝下高处又开始增大，直到冠部。
Acacia dealbata and Alnus cremastogyne were selected as the species with quite fast growth on 3 indexes of tree height, ground diameter and crown mean width.
通过各树种在该立地类型上生长曲线的比较，评选出圣诞树、水冬瓜在3个生长因子上的生长速度最快。
Acacia dealbata and Alnus cremastogyne were selected as the species with quite fast growth on 3 indexes of tree height, ground diameter and crown mean width.
通过各树种在该立地类型上生长曲线的比较，评选出圣诞树、水冬瓜在3个生长因子上的生长速度最快。
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