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- young forest growth 幼龄林
- A PRELIMINARY OBSERVATION OF YOUNG FORESTS GROWTH OF DAWN REDWOOD IN HAN RIVER BANKS 汉江两岸水杉幼林生长观察
- The growth of fine provenance families in Guangdong and Guangxi in the young forest period was widely superior to that of the control, the relatively big differences existed among and inside the provenance families. 两广优良种源家系幼林期生长普遍优于对照,种源家系间和家系内存在着较大差异。
- It was virtually the maiden expedition of these two ambitious young forest soldiers. 这次行动才是这两位雄心勃勃的森林战士的初次出征。
- Six experts in forestry science and economics say forest growth is on the rise in some countries and the number is increasing. 六个在森林科学与经济方面的专家认为一些国家的森林面积正在增长,且这些数字正逐步增加。
- Cutting reforestation, planting seedlings, young forest management and protection, may enter into contracts, implementation of Under-income. 扦插造林、大苗栽植、幼林管护,均可签订合同,实行保底收入。
- The main obstacle to forest growth are fast-growing poor populations that burn wood for cooking fuel, or sell it for quick money or clear forest for crops. 表明森林增长的阻碍在于贫困国家人民燃烧、贩卖太多的木材或者毁林种庄稼。
- The result shows that the aboveground biomass of the shrubland is 16.77 t/hm2,less than 1/3 of that of evergreen broad-leaved young forest. 结果表明该区次生灌丛的地上部分生物量为16.;77 t/hm2,还不到常绿阔叶林幼林生物量(地上部分)的1/3。
- The results show that the aboveground biomass of evergreen broadleaf young forest, secondary shrub thicket and shrub-grassland were respectively 61.74, 16.83 and 5.28 t/ha. 结果表明:黟县常绿阔叶幼林、次生灌丛和灌草丛的地上部分为81.;74、16
- By means of isolating, culturing and distinguishing pathogen from heart, liver and lung of young forest musk deer, we found that the hemorrhagic enteritis was caused by E. coli. 摘要对仔麝的心、肺、肝标本的致病性病原菌进行分离、培养、鉴定,确认大肠杆菌为引起感染的主要病原菌;
- Kanas Lake is a winter cold temperate climate, long summer without winter, spring and autumn connected, the average July temperature of 15.9 degrees, is suitable for Lin boreal forest growth. 喀纳斯湖属寒温带高寒气候,长冬无夏,春秋相连,七月平均气温15.;9度;非常适宜寒温带林林木的生长。
- Because the tree growth model is the basis of construction of forest growth, many national and international researchers put a geat interest in the subject and amounted a lot of famous growth models. 由于树木生长模型是构建林分生长模型的基础,因此国内外许多林业研究者给予了极大关注并发表了许多著名的生长模型。
- The plantation managements in the process of the whole forest growth must be made from the goal of production and carried out effectively to set up the plot management, the control system, etc. 人工林的全过程管理必须从目标产量确定,推行小班经营法以及建立有效的控制制度等方面着手。
- Young ladies used to have lessons in deportment. 少女以前要上仪态课。
- Modelling Forest Growth and Thinning 森林生长与干扰模拟
- Young forest of Eucalyptus urophylla 尾叶按幼林
- Midlle-age forest and young forest cultivation 中幼林抚育
- His book was an eye opener to complacent young men. 对自满的年轻人来说,他的这本书有启发作用。
- DensitycontroUing of young forest 幼林密度调控
- The robber stabbed the young man in the belly. 强盗刺伤了这名年轻人的腹部。