正是这点使得灌溉的统筹，特别是建造运河以疏导和保护水，变得至关重要。
It was this that made the organization of irrigation, particularly the building of canals to channel and preserve the water, essential.
世界粮食一半以上来自依靠雨水而非依靠灌溉的农田。
Over half of world's food comes from rain-fed farms, as opposed to irrigated ones.
对于那些还立着的庄稼，寻找灌溉的水是优先考虑的事。
For those crops that are still standing, finding water for irrigation is a top priority.
这证明了水管理系统曾经可以通过灌溉的方式，为很多人提供额外的食物。
This proved that the water management system was capable of providing additional food by way of irrigation to a substantial number of people.
还有一个小组在加纳开发了一种移动脚踏泵，农民可以此获得用于灌溉的水。
Another team developed a mobile bicycle pump in Ghana to help farmers get water for irrigation.
农业在经过灌溉的20%耕地上提供了全球40%的粮食生产，使用了整个淡水取用量的大约70%。
Agriculture yields 40% of the global food production under irrigation on 20% of the cultivated land, using about 70% of all freshwater withdrawals.
我们粮农组织认为，农业部门必须带头，通过确定雨育田保墒和农田灌溉的更有效办法来应对水短缺问题。
We at FAO recognize that the agriculture sector must take the lead in coping with water scarcity by finding more effective ways to conserve rain-fed moisture and irrigate farmlands.
例如，东部非洲和南部非洲，估计有五亿九千六百七十公顷适合灌溉的土地，但只有其中百分之二有灌溉系统。
For instance, in eastern and southern Africa, an estimated 596.7m hectares are suitable for irrigation, yet only 2% of this land has any irrigation system in place.
水之所以这么重要的原因是，灌溉的田地产量高。 虽然只占世界总耕地的五分之一，但是生产了世界粮食的五分之四。
The reason water matters so much is that irrigated farming is so productive.
像这样的高层农场还没有真正建成，但在英格兰德文郡的佩恩顿动物园（Paignton Zoo）里，一个液体耕种、精细灌溉的菜园已经运营数月了。
Such a high-rise farm has not yet been built. But in Devon, England, the Paignton Zoo has maintained a hydroponic, controlled-irrigation garden for several months.
一百年前的1911年3月，《美国经济评论》(American EconomicReview)登出了第一篇文章，内容是关于美国西部被太阳晒到起泡的沙漠的灌溉的。
ONE hundred years ago, in March 1911, the American Economic Review (AER) published its first article-on irrigation in the "sun-blistered" deserts of the western United States.
晚春和煦的一天，阿巴克在村外灌溉一小块小麦地。
On a mild late spring day Akbar irrigated a small plot of wheat just outside the village.
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.
人们还可以在封闭的灌溉系统中循环用水以减少用水量、避免径流造成土肥流失。
You’d reduce water use and end runoff by recycling water in a closed irrigation system.
人们还可以在封闭的灌溉系统中循环用水以减少用水量、避免径流造成土肥流失。
You'd reduce water use and end runoff by recycling water in a closed irrigation system.
我们组织并支持在南非、土耳其和墨西哥等国家开展试点计划，其重点是小型灌溉或以社区为基础的雨水收集系统。
We have organized and supported pilot programmes in places like South Africa, Turkey and Mexico that focus on small scale irrigation or community-based systems for harvesting rainfall.
世行已在其中三个领域-灌溉、饮用水供应和农村道路建设方面，对印度提供积极的支持。
The Bank is already very active in supporting India in three of those sectors: irrigation, drinking water supply and rural roads.
灌溉产生的多余水分渗入地下水。
Excess water from irrigation sinks down into the water table.
更好的灌溉可以显著提高作物产量；目前，全球约40%的粮食供应都来自于灌溉地。
Better irrigation can dramatically improve crop yield and about 40% of the world's food supply is currently derived from irrigated land.
奥加拉拉蓄水层是美国中部平原饮用和灌溉用水的主要来源。
The Ogallala aquifer is a major source of drinking and irrigation water for America's central plains.
80多个浇灌1,300多公顷土地的小型灌溉设施也帮助农民提高了收入。
Farmers' incomes have also been boosted by more than 80 small scale irrigation schemes bringing water to more than 1,300 hectares of land.
只有使用现代的灌溉方法，我们才能减少农业用水短缺的情况。
Only by using modern irrigation methods can we reduce water shortage in agriculture.
水，到处是水：爱德华·丽纳克尔与他的Airdrop灌溉系统，这个系统甚至能在最干旱的地区从空气中获得水汽，可以为植物提供水。
Water, water everywhere: Edward Linacre with his Airdrop irrigation system, which can harvest moisture from the air in the driest regions and provide water for crops.
但是，最引人注目的是筒仓屋复杂而高度自动化的电力、HVAC和土地灌溉系统。
But most impressive is the Silo House's complex, highly controlled electrical, HVAC and land irrigation systems.
但是，最引人注目的是筒仓屋复杂而高度自动化的电力、HVAC和土地灌溉系统。
But most impressive is the Silo House's complex, highly controlled electrical, HVAC and land irrigation systems.
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