Approximately 40% of all GM foods on sale contain DNA from a soil bacterium, which produces an insecticide (Bt toxin), causing the plant to produce this chemical.
已经上市销售的所有转基因食品的大约40%都包括来自土壤细菌的DNA，它产生一种杀虫剂(Bt毒素)，造成作物产生这种化学物。
To spread the mixture of poison insecticide soil on the land near maize plant is an important method to control larve in the field.
用甲基异柳磷毒土围苗等药杀幼虫是田间防治控制危害的重要手段。
To spread the mixture of poison insecticide soil on the land near maize plant is an important method to control larve in the field.
用甲基异柳磷毒土围苗等药杀幼虫是田间防治控制危害的重要手段。
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