As water tables have fallen and irrigation wells have gone dry, China's wheat crop, the world's largest, has declined by 8% since it peaked at 123 million tons in 1997.
由于地下水位下降，灌溉井干涸，居于世界之首的中国小麦产量，已经从1997年1.23亿吨的峰值下降了8%。
I decided to crop the picture just above the water line.
我决定把这张照片裁切到刚刚高于水位线的地方。
Our warming planet is expected to face successive crop and water crises in the coming decades-which means each nation's natural resources will be more crucial than ever.
全球变暖使地球在未来数十年将面临连续的农作物和水危机，这意味著每一个国家的自然资源会比以往更加重要。
Involving farmer groupings in the management of the new pumping and water control systems means that water gets to the right field at the right time, thus boosting crop yields and farmers' incomes.
让农民分组参与管理新的抽水和水控制系统意味着可以让水在确定的时间流入确定的农田，从而提高作物的产量和农民的收入。
You are basically extending your crop production on borrowed water.
那么你就只能靠借水才能维持作物生产。
Under conventional till, crop response to spring soil water content was considerably greater than under zero till.
在常规耕作条件下，春季作物对土壤水份含量的响应要比免耕地大得多。
This year's drought has made planting crops impossible for many farmers - even a hardy crop such as cotton, that needs little water.
今年的干旱使农民的许多庄稼没有收成——甚至包括一些不太需要水的耐寒作物如棉花。
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。
He doesn't tell us how much water we should be using to flush our waste or whether the equivalent of a liter of Evian per person for our farmer's rice crop is 10 times or 100 times too much.
他没有告诉我们应当使用多少水来冲洗废物，抑或用等效于每人一公升矿泉水的水量来浇灌农作物到底是超出了10倍还是100倍。
But the point of the frightening statistics about impending water shortages, epidemics and crop failures, says one of the authors, is to jolt politicians into preparing for the coming afflictions.
但该报告的其中一个撰稿人说，水资源短缺、疾病流行和作物歉收等迫在眉睫的问题的令人震惊的统计数据的意义，在于促使政客们做好准备，应对即将来临的苦难。
The indirect harm, through its impact on water supplies, crop yields and disease is hugely greater.
原因是，气候变化直接影像水的供应，粮食产量和疾病蔓延。
“Now there is water enough to bring a crop to fruit, ” he said suddenly.
“嗨，那水都够种熟庄稼了。”他突然说。
Increasing demands for water, in particular to irrigate the rice crop, have led to greater dependence on tube Wells.
不断增加的对水的需求，特别是水稻灌溉，进一步加强了对管井的依赖。
No-till agriculture, an agronomic practice in which farmers do not plough up the land but leave part of the previous year's crop on it, also preserves water.
免耕农业是一种农艺实践，农民不翻耕，而是将前一年的作物留在土地上，这同时也可以蓄水。
Dry conditions across the American West have spurred water rationing, hurt crop production, and doubled the prevalence of wildfires.
美国西部的干旱状况刺激了水的供应、伤害了农作物种植，也加快了野外火宰的扩散。
It involves providing creative solutions and alternative approaches, such as introducing crop varieties that can tolerate heat and water stress.
所给予的帮助包括提供创造性地解决办法和备选方法，例如采用耐高温和缺水的作物品种。
As he points out, India feeds 17% of the world's people on less than 5% of the world's water and 3% of its farmland-and, along with China, is seeing its cereal crop rise this year.
正如他指出的，印度用少于5%的水资源和3%的耕地养活了世界人口的17%，中国也是同样。他们都看着今年谷物的价格的上涨。
Better management of water resources increased crop yields, reversed desertification, and improved social status and employment opportunities for women.
改善塔里木盆地的水资源管理增加了农作物产量，扭转了沙漠化趋势，提高了妇女的社会地位并增加了妇女的就业机会。
The solution, Mr Chartres and others contend, is more efficient use of water or, as the sloganeers put it, “more crop per drop”.
应对之道是以Chartres为首的人声称的对水资源更充分的利用，或是标语作者声称的“用一滴水灌溉更多的庄稼”。
Nitrogen and water are major factors for maintaining crop yield, getting better economic return.
氮素和水分是维持水稻高产和获得较高经济效益的主要因素。
Nitrogen and water are major factors for maintaining crop yield, getting better economic return.
氮素和水分是维持水稻高产和获得较高经济效益的主要因素。
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