This paper summarized the effects of tree-grass complex system on trees and soil and its ecological and economic benefits.
概述了林草复合生态系统对林木和土壤的影响及林草复合的生态效益和经济效益。
The next are the main results: (1)The diurnal change rule of the process of photosynthetic physiological of different trees has the connection with the characteristics of trees and soil moisture.
主要研究成果如下： （1）不同树种光合生理过程日变化规律不同树木光合生理过程日变化规律即与树种特性有关也与土壤水分密切相关。
A massive oak claims its ground for 200 years or more, outcompeting all other would-be canopy trees by casting a dense shade and drawing up any free water in the soil.
200年或更久的时间里，一棵巨大的橡树占据了它的土地，投下浓密的树荫，吸收土壤中所有自由水分，打败了所有其他可能成为树冠的树木。
The trees reduce water runoff and soil erosion.
这种树可以减少水分流失和土壤侵蚀。
These include growing fewer trees to prevent overuse of soil, how to time planting of seeds, pruning to allow enough sunlight onto plants, and supplying trees with appropriate amounts of water.
这些措施包括减少果树的种植数量以防止土壤过度开垦；如何安排时间播种；给果树剪枝以获取足够的阳光；以及给树木适量浇水。
In particular, they should be forced to accelerate her visionary campaign to replant indigenous trees along river Banks and ravines where the continent's life-giving top soil is being swept away.
尤其是，他们应该迫切地去推进其高瞻远嘱的沿河岸和沟壑重植本土树木的运动，在那些地方这块大陆哺育生命的表层土壤正在快速地流失。
For an hour the kob course under the plane, almost like a river, flowing across the broken soil and around the trees.
在整整一个小时内，白耳水羚在飞机下方如河流般奔腾向前，越过崎岖的土地，绕过树木。
On the contrary, life here is for many closer to purgatory, the trees hacked down, the soil ravaged, and the spirit of many of the young men broken.
恰恰相反，这里的生活更像是炼狱：砍倒的树木，荒废的土地，以及被摧毁的年轻一代的精神世界。
Fighting climate change in Niger is development. Trees, soil and water have been reinstated as capital. Conflict between farmers and herders is down 80%, says Reij.
尼日尔抗击气候变化的努力还在继续，树木、土壤和水源都变成了资本复兴的动力，农民和牧民们之间的冲突减少了80%。
It was so powerful that the soil liquefied in some places and swallowed entire trees.
它的强大威力导致部分地方的土壤液化，进而吞噬了一大片树木。
The theme addresses the role of forests and trees outside forests to help moderate soil, hydrological and aquatic systems.
本主题处理森林及森林外树木帮助调节土壤、水文以及水生系统的作用。
The remaining space is taken up by technical transmission systems (computer, electricity, air condition, heating and water) and also by 18, 3 m3 of soil, the bed for eight Ficus Panda trees.
其他的空间则被技术传输系统(电脑、电力系统、空调设备、冷热水供应系统)和八棵树需要的18.3立方米土壤占用。
Ethiopia is quite green, but after you cross that bridge, going south into Kenya is a stony desert of low trees and very poor soil.
在埃塞俄比亚一边是一片葱绿，但是过了桥往南进入肯尼亚，就只有长着低矮灌木的戈壁滩和贫瘠的土地。
Do not met on the landscape, trees and grass is submitted to the previous month, bought directly from the field inserted into the soil, they are able to survive on a lot of good.
别对景观抱太大希望，树和草是在交房前一个月从外地买来直接插土进去的，所以能多多存活就不错了。
When this rain enters the soil, some of it is taken up by trees and incorporated into their wood.
当这种雨水进入泥土，会被树木吸收并进入木材之中。
As Haiti's trees have disappeared, landslides have become a major concern, especially during the rainy season, and the destabilizing effects of an earthquake on soil only worsen the problem.
海地森林的消失，使滑坡成为人们主要担心的事。尤其是在雨季，而且地震使土壤更不稳定，这都使问题加剧。
Raw food has particular environmental advantages in that it often comes from trees (avoiding soil loss from tilling) and requires little packaging and no cooking.
生食通常来自树上（避免了耕作土壤的损失），在环境方面有特殊的优势，只需简易包装，无需烹饪 。
As the trees take root, they will replenish the soil and cause more rainfall, allowing for even more growth.
桉树扎下根后将会带来更多的土壤养分与降水，并进一步促进植物的生长。
So I got this idea almost in passing that if we planted the trees we would be able to address some of these needs that the women had and we would be able to stabilize the soil.
因此，我立刻想到，如果种树，就可以解决这些妇女的需要，并且可以保护土壤。
Most of the radioactive particles are in the soil rather than in the flammable leaf litter and trees, he explains.
他解释说，大部分放射性物质存在于土壤中而不是易燃的树叶和树木中。
For example, planting fast growing pine trees on grassland will help to lock up carbon in the tree, but it may also disrupt the soil and release carbon already stored in the grassland.
举例来说，虽然在草原种植快速成长的松树将有助于将碳锁在树中，但是，松树也许会分解土壤，把已经储藏于草场的碳释放出来。
Large swaths of planted poplar trees now protect fields once ravaged by floods, wind, sandstorms and soil erosion, giving boost to agricultural activities.
大片成行的杨树保护着曾经遭受洪水、大风、沙尘暴肆虐和土壤侵蚀的农田，从而促进农业生产活动。
Forest canopies serve as natural buffers against wind and rain, and the deep roots of trees help keep the granular soil from shifting.
森林的树冠作为自然缓冲，抵挡着风和雨的侵袭，而树木的深根也防止了水土流失。
Mr. Wang's team encourages farmers to grow fruit trees as well as more traditional crops such as corn on their terraces to improve the retention of soil and water.
王先生所带领的团队鼓励当地农民在梯田上种植果树和其他如玉米等更传统的农作物来保持水土。
The management and protection of water and soil conservation facilities, experimental sites, trees and grass planted and other rehabilitation achievements shall be strengthened.
对水土保持设施、试验场地、种植的林草和其他治理成果，应当加强管理和保护。
Though it is di? Cult to grow trees in the saline-alkali soil, the ground cover and wetland vegetation are rich and vary in response to subtle changes in the water table and PH values.
尽管难以在盐碱地里栽种树木，但覆盖地表和湿地的植被异常丰富，随着地下水位和PH值的细微变化而呈现不同的形态。
It seems that the cartoonist is sending a message about the significance of trees in water and soil conservation and the need for everyone to fight against the danger of the desertification.
我认为，漫画家要告诉我们的是：树木对水土保持的重要性，以及每个人参与抵制沙化威胁的必要性。
It seems that the cartoonist is sending a message about the significance of trees in water and soil conservation and the need for everyone to fight against the danger of the desertification.
我认为，漫画家要告诉我们的是：树木对水土保持的重要性，以及每个人参与抵制沙化威胁的必要性。
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