过去几年当中，小麦、玉米、大米等基础粮食作物的价格已经翻了一倍甚至两倍，而且最大的涨幅就发生在过去几个月之间。
Over the past few years the prices of wheat, corn, rice and other basic foodstuffs have doubled or tripled, with much of the increase taking place just in the last few months.
作为一种粮食作物，玉米比大豆等其他作物对环境影响更大，因为它需要更多的肥料和杀虫剂。
As a food crop, corn is also far more damaging to the environment than other crops, such as soybeans, because it USES more pesticides and fertiliser.
对生物燃料给料的强劲需求，鼓励了农民种植玉米、大豆和油菜籽等作物，而非大麦等粮食作物，从而推高了粮食作物的价格。
Strong demand for biofuel feedstocks such as corn, soyabeans and rapeseed is encouraging farmers to plant these crops instead of grains like barley, driving up prices.
主要粮食作物有木薯、芋头、玉米、芭蕉等。
主要粮食作物有木薯、芋头、玉米、芭蕉等。
粮食作物以小麦、玉米、大豆、山芋、谷黍、高粱等为主。
Food crops of wheat, corn, soybean, sweet potato, grain millet, sorghum, etc. mainly.
主要粮食作物有芋头、玉米、芭蕉等。
主要粮食作物有芋头、玉米、芭蕉等。
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