将农作物废料及其它生物质转化成炭并将其施于热带土壤的方法可以固碳并能提高农作物产量。

Turning crop wastes and other biomass into charcoal and spreading it on tropical soils can sequester carbon and boost crop productivity.

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比如，塞内加尔河谷的水稻产量比全球平均产量高50%，与亚洲不同，大面积的热带土壤可孕育出绿色作物。

Rice paddies in the Senegal valley, for example, yield 50 percent more than the global average — and, unlike Asia, this chunk of the tropics has yet to see its green revolution.

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同样重要的是，由于有益微生物似乎会聚集到小块木炭碎料的孔洞中，“生物碳”还可以改善各种热带土壤的肥力。

As importantly, biochar improves fertility in a wide variety of tropical soils. Beneficial micro-organisms seem to crowd into the pores of the small pieces of crushed charcoal.

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