It relies strongly on water especially in semi arid area.
尤其在半干旱地区，对水的依赖性更强。
The problem of plant conservation is serious in arid and semi arid region.
干旱地区物种保护的问题更为突出。
Solid water affords a new approach to drought resistant planting in arid and semi arid area.
固体水为干旱、半干旱地区的抗旱造林提供了一种新的途径。
The study on construction technology of soil and water conservation forest system in large project district in semi arid desertification grasslands has been done.
同时对在半干旱荒漠草地大型项目区水土保持林体系的建设技术做了研究。
Water application furrow seeder for arid and semi arid region can carry on the watering operation as sowing and fertilizing with the objective of seedling prevention.
施水沟播机可在起垄施肥播种的同时进行施水作业，从而解决了干旱和半干旱地区的播种保苗问题。
Due to fewer rainfall, lean soil, serious soil and water loss and the long term negative effect of human activity, the ecological environment in hilly semi arid area is being degraded.
低山丘陵半干旱区气候干旱、土地贫瘠、水土流失严重，加上人类活动的长期负面影响，使得该地区生态环境不断恶化。
Semi arid climate, poor vegetation cover and highly erodible loess can be regarded as the main natural factors responsible for the formation of hyperconcentrated flows in the Loess Plateau, China.
黄土高原半干旱的气候条件、稀疏的植被和疏松易蚀的黄土物质，是该地区高含沙水流形成的自然地理因素。
Runoff collecting irrigation agriculture rapidly rises in the last stage of the eighth five year plan in northwestern arid and semi arid region, and it plays an active role in promoting grain output.
集流灌溉农业是“八五”末期在我国西北干旱、半干旱地区迅速兴起的农业灌溉方式，对该区增产粮食起到积极推动作用。
Along the way, we despoiled most of the land we worked, often turning verdant, natural ecozones into semi-arid deserts.
一路上，我们破坏了大多数我们曾经耕作过的的土地，经常把翠绿的自然生态区变成了半干旱的沙漠。
Rain was likely to become more intense and variable in many places, and farmers in the arid and semi-arid tropics were likely to become more vulnerable.
雨水在许多地方可能会变得更加密集与多变，处在干旱和半干旱热带区的农民可能会变得更加脆弱。
Climate change, it says, will make food even scarcer in semi-arid countries such as Sudan.
该机构表示，气候变化让半干旱国家(如苏丹)的粮食更为稀缺。
Maintaining a regular income is a constant battle as the climate in this semi-arid country is prone to severe, freezing winters and extremely dry summers.
蒙古位于半干旱地区，其气候易受严寒天气和极其干旱夏季天气的影响，正因为如此，牧民们总是要想方设法地维持稳定收入。
Thanks to the semi-arid climate, the trail is scattered with well-preserved remnants of the Klondikers' passage: leather boots, bottles, tin cans, stoves and sledge runners.
由于这里气候干燥，小道上散落着的采金热时代的遗物保存完好：有皮靴，酒瓶，罐头，炉灶和雪橇等。
But using biotechnology, the International Crops Research Institute for the Semi-Arid Tropics (ICRISAT) has been able to help Indian farmers cope with the problem.
然而国际半干旱热带作物研究所(ICRISAT)利用生物技术，成功地帮助印度农民克服了这一问题。
Just the Namib Desert, said to be the oldest on Earth, having maintained at least semi-arid conditions for anywhere between 55 and 80 million years.
只有纳米布沙漠，据说是地球上最古老的沙漠，这儿处处保持至少半干旱的条件已有5500万到8000万年。
For much of the 1980s and '90s, environmental degradation in Darfur and other parts of the Sahel (the semi-arid region just south of the Sahara) was blamed on the inhabitants.
在80和90年代的大部分时间，达尔富尔以及西非荒漠(撒哈拉以南半干旱地区)的其他地区发生的环境退化主要是由于当地居民。
"Some 65 per cent of Iran has an arid or hyper arid climate, and approximately 85 per cent of the country an arid, semi-arid or hyper arid environment," said the architects.
“伊朗约百分之65的面积为干旱或超干旱的气候，国家约有百分之85的地区为干旱、半干旱或超干旱的环境”，建筑师说。
This provides scientific basis for rational land use planning in arid and semi-arid areas.
这为干旱、半干旱地区制定合理的土地利用规划提供了科学依据。
The Leopard Tortoise Stigmochelys (Geochelone) pardalis is a large grazing species that favors semi-arid (not dry), thorny to grassland habitats.
豹纹龟（龟）是一种大型的放牧物种，出现在有利半干旱（不干），棘手的草原栖息地。
Field experiments was used to study the change of soil N2O discharge flux in the northwestern arid and semi-arid areas.
田间试验研究了西北干旱半干旱地区地膜覆盖对土壤中n 2o排放通量变化的影响。
Dryland (s) management: The management of arid and semi-arid areas.
旱地管理：指对干旱和半干旱地区的管理。
Land degradation in arid, semi-arid and dry sub-humid areas resulting from various factors, including climate variations and human activities.
有各种原因造成的土地干旱退化，半干旱和干燥低湿地区。比如，气候变化和人类活动所致。
The semi-arid area which grows the crops have the characteristics of uneven and little rainfall.
半干旱地区具有降水不匀和多变低水的特点。
Its territory covers Mesoamerica, from El Salvador to the semi-arid regions of Northen Mexico.
它的范围遍及中美洲，从萨尔瓦多到北部墨西哥的半干旱地区。
In the northwest to southeast direction, annual precipitation increases, leading to transition from arid, semi-arid to sub-humid climates.
从西北向东南，年降水量逐渐增加，气候由干旱、半干旱向半湿润过渡。
However, drought stress strongly restricts maize production in most arid and semi-arid areas.
但是，在干旱与半干旱地区，水资源短缺一直制约着玉米产量的进一步提高。
However, drought stress strongly restricts maize production in most arid and semi-arid areas.
但是，在干旱与半干旱地区，水资源短缺一直制约着玉米产量的进一步提高。
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