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六十年代的“绿色革命”,靠培育作物新品种和大量使用化肥,使世界谷物(如大米和小麦)的产量大增。八十年代可能标志着农业史上一个新时期的开始。
The “green revolution” of the 1960s boosted the output of world cereals such as rice and wheat by cultivating new varieties of crops and using large amounts of fertilizers. The eighties may mark the beginning of a new era in the history of agriculture.