造林成活率和当年生长量与茎根比和高径比关系密切。
The survival rate and growth of the first year showed a close relation with shoot-root ratio and height-diameter ratio.
主要表现为造林成活率高、树木生长量大、土壤水分利用率高。
It has some advantages, such as high surviving rate, fast growth of trees, and high water using ratio.
深栽造林是一项在干旱沙地提高造林成活率和保存率的有效技术和方法。
Tree deep planting is a remarkable technology and effective method to increase the tree planting survival rate and keep rate.
试验结果表明，山杏容器苗造林成活率分别比裸根苗和直播造林提高14。
The results show using containered plant that the survival rate were raised 14.
干旱缺水是提高干热河谷旱坡地粮食产量和提高植树造林成活率的主要制约因素。
Drought and water shortage is the main restrictive factor to heighten grain output of dry slope land and the afforestation survival rate in Yuanmou dry hot valley.
通过3种造林新材料在岱山海岛造林中的应用，观测它们对提高造林成活率的影响。
The effects of 3 new forestation materials on the improvement of survival rates were observed by the application of them in the islands of Daishan.
采用农膜、根宝、生根粉、保水剂在干旱地区对刺槐造林成活率进行了田间对比试验。
Making a field comparative test on forestation living rate of locust in arid area by using plastic film, Genbao, root-growing dust, water-keeping agent.
在华北石质低山干旱阳坡，提高油松植苗造林成活率及生长量的关键，在于蓄水保墒。
The key techniqure to improve the survival and growth of Pinus tabulaeformis on dry south sides in lower rocky mountain in North China is to keep water for raising soil moisture.
樟子松造林遇到的最大问题便是造林后易发生生理干旱，影响其造林成活率和保存率。
What the biggest problem for planting Pinus sylvestris var. mongolica Litv. is easy to happen physiological drought. It can influence the survival and preserving rate of afforestation.
所以，对樟子松幼苗的根系用吸水剂进行适当的保水处理，无疑是会提高造林成活率的。
Therefore, using water-absorbing powder will increase the survival rate of seedlings in planting Pinus silvestris var. mongolica.
我国北方地区干旱少雨，地表水源缺乏，造林成活率很低，重复造林使生产蒙受巨大损失。
In the northern part of our country where the climate is dry and rainless, the afforesting survival rate is very low If repeat afforestation, it enable production sustain a loss.
以往研究表明，固体水能够提高造林成活率，特别在困难立地造林应用中已取得较好效果。
Researches indicated that solid water can enhance the survival rate of trees, especially in difficult site, satisfactory effects of afforestation could be obtained.
在保证造林成活率和保存率的基础上，用于整地和幼林抚育方面的经费越少，经济效益则越高。
On the base of assuring survival rate and conserving rate, the less the fee used in soil preparation and young growth tending is, the higher the economic benefit is.
PGPR接种剂和腐殖酸型肥料对于黄土高原的造林成活率和经济林木的产量都有一定的提高作用。
PGPR inoculum and humic acid-contained fertilizer can increase the survival rate of afforestations on loess plateau as well as the output of economic trees.
通过综合分析筛选出了适应性强、造林成活率高、生长旺盛、种间共生性良好的优化造林模式8种。
The intergrated analysis shows that 8 optimized forestation modes that are high adaptability, high survival rate, flush growth and friendly accreting among spices had been selected.
具有育苗及造林成活率高、速生、抗性强等特性，是优良的杨树工业用材树种，特别适宜培育胶合板材。
It is a quality variety with traits of high survival rate, fast growth rate and resistance to adversity conditions, and suitable for industrial purpose, especially for plywood.
通过长白落叶松播种苗和移植苗分级造林成活率和生长量的比较研究，建立了苗木质量与造林效果的关系。
The relationship between seedling quality and outplanting performances was established through comparing the survival rate and the growth of seedlings and transplanted seedlings between grades.
造林前用双吉尔—GGR6号植物生长调节剂对华北落叶松苗进行浸根处理，可提高造林成活率和林木生长量。
The seedlings of L. principis-rupprechtii, treated by means of root soaking in GGR6, would be beneficial to raise survival rate for afforestation and to increase growth rate.
深栽造林是解决半干旱沙地造林成活率和保存率最有效的方法之一，深栽造林钻孔机是用于深栽造林最为有效的设备。
Tree deep planting is one of the best methods in semiarid sand area with high-planted trees survival and keeping rate.
对优良林草品种的选择和林草复合经营技术试验结果表明：引进的速生杨、速生柳各无性系间的扦插繁育和植苗造林成活率均不存在显著性差异；
Experimental results indicated that for the introduced fast-growing poplar and willow the cutting cultivating and the seedling planting of all clones had no significant difference in survival rate.
红树林人工造林的成活率和次生林恢复的速率在很大程度上取决于生境的沉积率。
It seems that the survival rate of afforestation and the restoration speed of secondary mangrove forests may greatly depend on the sedimentation rate of habitats.
结果表明：卡氏造林的成活率和保存率明显高于干旱造林，3年生卡氏造林的成活率和保存率均达93%以上；
The result indicated that the survival rate of Karist's forestation was higher than the conventional forestation. The survival rate of 3 annual arborviate was above 93%.
低温危害对水曲柳造林的成活率、保存率都有重要影响。
The low damage had a significant impact on survival rate and preservation rate of Ash afforestation.
低温危害对水曲柳造林的成活率、保存率都有重要影响。
The low damage had a significant impact on survival rate and preservation rate of Ash afforestation.
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