最终目标是更大限度的提供每年的灌溉设施和增加可灌溉的乡村面积。
Its ultimate aim is to provide year round irrigation facilities and increase the irrigable area of the country to higher limits.
然而,灌溉用水的来源往往不是可持续的。
However, water used in irrigation is often sourced unsustainably.
湄公河为水稻种植生产提供了肥沃的可灌溉土地。
The Mekong River provides fertile, irrigated fields for rice production.
除上述提到的可灌溉区域,该国还约10,000公顷土地适宜旱作甘蔗的种植(见下表22)。
In addition to the above-mentioned irrigable areas, there are also about 10,000 hectares of land suitable for rain-fed sugar cane plantation in the Country (See table 22 below).
在干河床和洼地处可找到充足的地下水资源或者绿洲来支持灌溉农业。
Underground water resources, or oases, sufficient to support irrigated agriculture are found in dry stream beds and depressions.
计算结果表明,唐山农业区灌溉施肥引起根区以下硝态氮渗漏损失可造成浅层地下水的污染。
The results indicate that the nitrate-N leakage loss under the root zone caused by fertilizer irrigation could creat the pollution of shallow groundwater in Tangshan agricultural area.
田间考核表明,采用该渗灌技术灌溉的农田,可较传统的大水漫灌节水60%以上。
Field evaluation shows that the field under this seep irrigation method can save 60% water more than the one under flooding method.
最后对仪器在生产实践中的应用进行了分析,认为该仪器可指导用户进行适时适量灌溉,能满足灌溉预报的精度要求。
The instrument applied in practice proofed that the instrument can guide peasants when and how much to irrigate. The precision of the instrument can satisfy the requirement of irrigation prediction.
为了解决大田作物定时定量灌溉控制问题,介绍了一种自行研制的可移动式农田小定额灌溉装置。
In order to reduce irrigation water use and improve irrigation efficiency for field crops, a irrigation device was designed.
结果表明,分根交替灌溉可增强烟株的根系活力,保持较高的光合速率,降低蒸腾速率,提高叶片瞬时水分利用效率;
The results indicated that root-divided alternative irrigation could increase root activities, photosynthesis rate and water use efficiency of tobacco leaf, but decrease transpiration rate;
非洲有七、八种主要农作物,生长条件千差万别,而且大约只有7%的可灌溉农田。
There are about 7 or 8 main crops in Africa, because of 7% irrigatable farmland , their growing conditions are different.
本系统和方法可省水且土壤不板结,可均匀精确灌溉、达到节能的效果。
The system and the method can save water, and the soil can not be hardened, thus irrigating uniformly and accurately, and achieving the effect of energy-saving.
适当盐度的灌溉水可促进芦苇干物质积累,过高则不利于干物质积累。
Proper salinity of irrigation water can promote reed dry matter accumulation and excessive is not conducive to dry matter accumulation.
在地球的某一端,国家如以色列正通过灌溉把荒芜的沙漠转变成可耕作的农田,热带雨林正在遭受破坏。
When at one end of the world, countries like Israel are turning barren deserts into cultivable farmland by irrigation, the rainforests in the tropics are being destroyed.
鉴于一些山区山陡流急,有着丰富的水力资源,可推广利用水能的水轮泵,以解决高地、岗地的灌溉。
In view of steep mountain streams in mountainous areas acute and is rich in water resources can promote the use of the water Turbine Pumping water to address the high ground hillock irrigation.
鉴于一些山区山陡流急,有着丰富的水力资源,可推广利用水能的水轮泵,以解决高地、岗地的灌溉。
In view of steep mountain streams in mountainous areas acute and is rich in water resources can promote the use of the water Turbine Pumping water to address the high ground hillock irrigation.
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