然而，周围的土地只能靠头顶上那些大型“时针式”洒水装置来灌溉作物。
The land around, however, boasts huge, overhead "pivot" sprinklers for cereal crops.
因为干旱和环境恶化，供水大幅削减，他今年仅能在自己20%的土地上种植灌溉作物。
With water deliveries slashed because of drought and environmental disputes, he could plant only 20 percent of his property with irrigated crops this year.
SantoshOstwal这十几年来都为一个费解的难题而困扰：如何让印度的农民更方便地灌溉作物。
For decades Santosh Ostwal obsessed over an obscure problem: how to make it easier for Indian farmers to water their crops.
8月是巴西利亚的旱季，降水量仅有3厘米(1英寸)，从这张风景照上的大面积的大地色系中看到，可能非灌溉作物正处于休眠状态。
August falls within Brasilia's dry season, with just 3 centimeters (1 inch) of rain, and the earth tones that dominate the landscape suggest that non-irrigated vegetation may be dormant.
灌溉作物农田明显地在对抗着宽广的卡塔尔沙漠，这些农田为卡塔尔人提供了一部分水果和蔬菜，但是他们大多数的食品仍需要从国外进口。
Irrigated crop fields stand out starkly against an expanse of Qatari desert. Such farms provide Qataris with some fruits and vegetables, but most of their food is imported.
干旱地区需要灌溉才能使作物生长。
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.
这对于灌溉是有用的，但是旱季的高温、低湿度和不同于正常生长季节的白昼长度，会给一些作物的生长带来困难。
This is useful for irrigation, but the high temperatures, low humidities, and different day lengths of the dry season, compared to the normal growing season, can present difficulties with some crops.
但这不是一篇很长的论文，所以你要选定一个现代以前农业的特定领域，像是灌溉技术，或古希腊的粮食作物。
But this isn't a long paper, so are you going to need to pick a specific area of pre-modern agriculture, like irrigation or food crops of ancient Greece.
许多人试图通过减少灌溉频率或改种需水量更少的作物来节约用水。
Many have been attempting to conserve water by irrigating less frequently or by switching to crops that require less water.
其种植季节与其他作物并不冲突，而且它仅仅需要灌溉两次，这样在小块土地上的农民不需要多少水就能够种植了。
Its cropping season does not clash with other crops, and it requires only two rounds of irrigation, which farmers in small land holdings with little access to water can manage.
这一具体的水管理办法是在堆高的垄上种植作物和给料，包括通过垄沟进行水灌溉。
This particular method of water management involves planting crops on raised beds and applying inputs, including irrigation water in furrows.
自从水资源保护项目在村里的开展和地下水位的提升，这口井在旱季也能为作物灌溉提供水源。
As the conservation program has progressed in the village and the water table has risen, this well has also been able to provide irrigation for crops during the dry season.
在印度进行的一项研究表明，通过提高灌溉用水价格，农民们将会更有效率地用水，并种植更节水的作物。
A study in India has shown that by increasing the price of water used for irrigation, farmers will use water more efficiently and plant crops that are more water-efficient.
更严重的是，很多抽取的地下水并没有实现高效灌溉；地下水的抑价说明其经常被用来灌溉低价值作物。
Worse, much abstracted water is used in inefficient irrigation; compounding that, underpricing means it is often used for watering low-value crops.
作物产量低得可怜，但若想提高粮食产量，就需要使用排放严重的肥料和灌溉技术。
Crop yields are painfully low, but improving production of staples demands emissions-heavy fertilizer and irrigation technologies.
据BBC报道，皇家学会一份报告建议，要减轻作物病害的影响，应综合利用基因改造、灌溉改良和新种粮法。
The Royal Society has issued a report that suggests genetic modification, better irrigation and new systems of growing crops together to reduce the impact of plant diseases, according to BBC.
毫无疑问，脱盐会增加可饮用水的量，可以增加有些工业过程所必需的高纯水的供给，甚至还能增加高等作物(尤其是为出口而种植的作物)灌溉水的供给。
It will undoubtedly add to the supply of drinking water, of the ultra-pure water required for some industrial processes, even of irrigation for high-value crops, especially if grown for export.
地下水的抑价说明其经常被用来灌溉低价值作物。
Compounding that, underpricing means it is often used for watering low-value crops.
目前，灌溉水源大约有2%用于能源作物，亦即44公吨；
At the moment, about 2% of irrigated water is used to grow crops for energy, or 44km3.
现在看来，在沙漠地区灌溉形成农业大区是不明智的，尽管这里拥有种植农作物所需要的优势。
Hindsight makes this location less than an obvious choice for a big agricultural county, even though there are crop advantages to irrigation in desert lands.
最终，农民将受益于新的运输和灌溉系统，这些将使他们能够种植可以获得较高收入的经济作物。
In the end, farmers will benefit from new transport and irrigation systems, for example, which would enable them to grow cash crops that could offer an opportunity for higher incomes.
没有灌溉的保证，没有任何农作物能够在这个墨累河与马兰比季河的交汇处南威尔士，这片西南部的干旱平原生长。
Without irrigation, no crops would grow in the dry plains of south-western New south Wales, where the Murrumbidgee meets the Murray.
世行正在进行的工作包括埃塞俄比亚的灌溉和水务管理、马拉维的化肥使用、塞内加尔小农户的市场利用、以及马里和乌干达的农作物多元化。
The Bank is working on irrigation and water management in Ethiopia, fertilizer use in Malawi, market access for smallholders in Senegal, and crop diversification in Mali and Uganda.
世行正在进行的工作包括埃塞俄比亚的灌溉和水务管理、马拉维的化肥使用、塞内加尔小农户的市场利用、以及马里和乌干达的农作物多元化。
The Bank is working on irrigation and water management in Ethiopia, fertilizer use in Malawi, market access for smallholders in Senegal, and crop diversification in Mali and Uganda.
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