郁闭 meaning in English
[林学] closing 短语和例子
Examples
- In the majority of cases their objective is a closed stand with improved yield .
在大多数情况下，他们的目标是使林木郁闭，以提高产量。 - Quickly accurate determination method of forest land crown density based on arcview gis
支持下的林地郁闭度的快速精确测定方法 - The results showed that plant height , crown breadth , leaf number , leaf breadth and sporophyll number of dryopteris crassirhizoma populations were influenced by forest crown density and light condition
结果表明：林分郁闭度和光照条件显著影响粗茎鳞毛蕨种群的株高、冠幅、叶片数量、叶片宽度、孢子叶数等形态指标。 - Russula subnigricans hongo grows fast after shower in the later summer and early autumn when it was hot . they emerged in the forest stand in which crown density was 0 . 9 or so . soil ph was 5 . 75 , and fagaceae species dominated
每年在夏末秋初高温阵雨之后为发生盛期。发生地林间郁闭度0 . 9左右，土壤ph值5 . 75 ，其共生树种以壳斗科为主。 - In cradle while cut down divides low - grade forest , notice to do authority of nice area branch and low layer vegetation clear the job , can reduce rat already kind concealment place , destroy mouse kind live condition , reduce rat kind density , can reduce miscellaneous bush to wait again at the same time right young forest competition , those who be helpful for forest is hale grow and shift to an earlier date closing cheng lin , the forest land after yu ren is shut goes against rat kind habitat , can rise to control rat to feel the effect that produces greatly
在抚育伐除劣等林木的同时，注重做好地面枝权及低层植被的清理工作，既可减少鼠类的隐蔽场所，破坏鼠类生存条件、降低鼠类密度，同时又能减少杂灌木等对幼林的竞争，有利于林木的健壮生长和提前郁闭成林，郁人闭后的林地不利于鼠类栖息，可以起到控制鼠害大发生的作用。