He said drought had led to severe crop failure for the second year running.
他说干旱已连续两年造成严重农作物歉收。
To take an extreme example, farmlands dominated by a single crop are so unstable that one year of bad weather or the invasion of a single pest can destroy the entire crop.
举个极端的例子，以单一作物为主的农田是如此不稳定，一年的坏天气或单一害虫的入侵可以摧毁整个作物。
Each year ten percent of the crop is lost to a pest called corn rootworm.
每年有10%的作物受损于一种叫做玉米根虫的害虫。
The U.S. government says that this year's corn crop should be about 8 percent more than last year.
美国政府称今年的玉米产量应该比去年增长约8﹪。
Each year it produces a fine crop of fruit.
每年这里的水果收成都不错。
Last year 400,000 acres of land yielded a crop worth $1.75 billion.
去年40万英亩的土地出产了价值17.5亿美元的粮食。
It has consequences: South Africa's ongoing drought—the worst in three decades—will cost at least a quarter of its corn crop this year.
它的后果是：南非持续的干旱——三十年来最严重的干旱——将导致它今年至少四分之一的玉米作物受损。
Plantings of cotton bioengineered to produce its own insecticide against bollworms, a major cause of crop failure, sustained little bollworm damage until this year.
经过生物工程改造的棉花种植场可以生产自己的抗棉铃虫杀虫剂，而棉铃虫是造成农作物歉收的主要原因，直到今年，棉铃虫的危害都很小。
The peach trees promise a rich crop this year.
今年桃子丰收在望。
On the other hand, subtler differences can be striking, but are difficult to communicate and, above all, may not be consistent from crop year to crop year or from farm to farm.
另一方面，就连更微妙的区别也能被发现，但是要描述出来就很有难度了，总之，这种差别由于作物年度和农场之间的区别而变得不一致。
Twelve significant photographs in any one year is a good crop. - Ansel Adams.
一年能有十二张重要的照片就是个不错的收获。
We have had the biggest wheat crop ever this year.
今年我们的小麦收获量是有史以来最好的。
Almost a third of the US corn harvest will be diverted into ethanol for motors this year, or 12pc of the global crop.
今年美国收获的玉米将有近三分之一，也就是世界产量的12%，会分流到机动车用乙醇生产中。
But because the virus is so adept at eluding the body's immune system via mutation, many new varieties crop up each year.
但是因为这种病毒能够通过变异非常老练地逃过身体的免疫系统，每年都产生许多新的变种。
America's farmers will devote more acres to the crop this year, but cotton still has to compete for space with similarly booming crops such as wheat, corn and soyabeans.
美国的农民今年将会多种更多英亩棉花，但棉花仍然得和小麦、玉米及大豆等同样蓬勃发展的作物争夺种植空间。
Worryingly for those betting on a swift economic recovery, business schools reckon that next year could yield an even bigger crop of applicants.
现在对于那些打赌明年经济会好转的人比较担心，因为商学院预计下一年会有更多的申请者。
They also plant the same crop year after year, depleting the nutrients in the soil.
年复一年他们重复种同样的农作物，耗尽了土里的营养。
Iowa, which leads the country in corn production, will use 58% of its crop for ethanol this year.
艾奥瓦是美国玉米的主要生产基地，今年这里58%的玉米会用于生产乙醇。
Farmers in other areas, such as the Red River valley of North Dakota and Minnesota, say they probably could harvest a conventional crop next year.
在其他地区的农民，比如北达科塔州的红河谷和明尼苏达洲，说他们明年可能种传统甜菜收获。
The International Grains Council, an industry group, now expects a record wheat crop this year, 9% bigger than last year’s.
产业集团国际粮食委员会目前预测今年小麦将创纪录丰收，比去年产量大9％。
Also, our farm produces food continuously - one crop after another, all year-round.
同时，我们的农场一直会生产谷物，一个接着一个，全年不休。
Yuri Khramtsov, manager of a farm in the Kursk region, expects a strong crop this year.
库尔斯克地区一家农场的经理基拉穆索夫认为，今年收成可能会很不错。
The crop looks as good as last year, and I've saved money on the pesticide.
作物长势与去年一样好，而且我还节省了买农药的钱。
For instance, a 100-year cold period beginning in 1560 caused shortened crop-growing seasons.
例如始于1560年的100年冷期，造成了农作物生长期的短缩。
For instance, a 100-year cold period beginning in 1560 caused shortened crop-growing seasons.
例如始于1560年的100年冷期，造成了农作物生长期的短缩。
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