Crop production will suffer as carbon dioxide emissions rise, after an initial increase in growth.
在初期的产量增长后，粮食生产将因为二氧化碳的增加而受到影响。
IT IS the world's fourth-most-important food crop, after maize, wheat and rice.
在世界的粮食作物中，它的重要性仅次于玉米、小麦和稻谷。
Don't plant the same crop in the same field year after year.
不要年年都在同一块地里种同一种植物。
Don't plant the same crop in the same field year after year.
不要年年都在同一块地里种同一种植物。
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