In land scarce area, methods to increase cropping index, increase crop yield and increase planting area of wheat and sweat potato are adopted in order to increase food energy production.
在人多地少地区，粮食、饲料的供应通过增加复种、提高单产以及增加甘薯、小麦种植面积来解决。
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。
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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