The trend began in 2007, when leading wheat-exporting countries such as Russia and Argentina limited or banned their exports, in hopes of increasing local food supplies and thereby bringing down domestic food prices.
出自-2016年6月閱讀原文
In 1972, for instance, the Soviets, recognizing their poor harvest early, quietly cornered the world wheat market.
出自-2016年6月閱讀原文
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.
出自-2016年6月閱讀原文
As a result, wheat prices elsewhere more than doubled, pulling rice and corn prices up with them.
出自-2016年6月閱讀原文
Wheat production takes 50% of its energy input for these two items alone.
出自-2013年12月閱讀原文
While 20 gallons of water are need to produce one pound of wheat.
出自-2013年6月聽力原文
In my hometown, there is always a harvest supper for the farmers after all the wheat has been cut.
2015年高考英語重慶卷 單項填空 原文
Production of corn, cotton, rice, soybeans, and wheat has been largely mechanized, but many high-value, labor-intensive corps, such as strawberries, need labor.