It is the world's number one non-grain food commodity and world production reached a record 320 million tonnes in 2007.

它是世界头号非谷类食品，其全球产量在2007年达到3.2亿吨的创纪录水平。

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Product appearance of smooth, non-grain points, no flow marks.

产品外观光滑，无粒点，无流痕。

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Sweet potato, which is non-grain crop, large output, large planting area, and high energy, is used as new type of energy crop.

非粮作物甘薯因具有产量大、种植面积广、能量产量高等特点可作为新型能源作物。

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If NRDC is worried about bad outcomes, they could easily push for smart fixes to these policies, rather than categorically rejecting legislation that might include critical steps forward, including expanded transmission access to renewable energy zones, a vehicle electrification push, or the promotion of advanced, non-grain biofuels.

FORBES: A Green Victory Could Be Won Without Cap And Trade

Some non-governmental organisations want a moratorium on ethanol output, saying this would cut grain prices by 20%.

ECONOMIST: The world food summit