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This is the VOA Special English Agriculture Report. In two thousand eight, scientists reported on a study of cotton grown in six provinces in northern China. The study involved bollworms, a major threat to cotton farmers. It also involved Bt cotton,
说一口流利的英语,从简单的单词开始。 听听,读读,背背,今天你的词汇量又增加了5个。 单词/词义 中英例句 单词听读 arm [ B:m ] He received a call to arms
This is the VOA Special English Agriculture Report. Cotton plants Bollworms are a traditional threat to cotton crops. Young ones feed on the boll, the part of the cotton plant that contains the seeds. A bacterium known as Bt is able to kill bollworm
According to a study published this week in Science, genetically-engineered cotton planted near conventional crops may help protect the regular plants from bugs. The researchers say the finding could potentially protect a range of crops over million
A statue on Main Street in Enterprise, Alabama, features a woman holding a large, black boll weevil above her head. While many U.S. cities have suffered because of the recession, one town in the southern state of Alabama, has fared surprisingly well.