粮农组织估计今年世界小麦的产量在6.46亿吨，虽然比09年的大丰收下降了5个百分点，但由于美国和加拿大有优良的收成，产量记录仍处于历史第三高位。
The FAO estimates world wheat production this year at 646m tonnes, 5% down on 2009’s bumper crop but still the third-highest on record, thanks to excellent harvests in America and Canada.
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%。
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.
干旱和新的病害导致了世界许多地区的小麦产量的减少。
Droughts and new diseases cut wheat production in many parts of the world.
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