荒谬的是，非洲的粮食问题往往归咎于过分重视非粮食作物。
Paradoxically, Africa's food problems are often ascribed to an overemphasis on nonfood drops.
奥德姆称，壳牌公司正在使用海藻、柳枝稷等非粮食作物研发新的生物燃料。
Odum said Shell is focusing on biofuels from non-food sources like algae or switchgrass.
农业收入还来自非粮食作物，如橡胶、纤维植物、烟草以及可用于生产化学合成品的油料作物。
Agricultural income is also derived from non-food crops such as rubber, fiber plants, tobacco, and oilseeds used in synthetic chemical compounds.
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