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木薯是热带和南亚热带的重要粮食和淀粉作物,具有高产、适应性强、耐旱、病虫害少、用途广等优点,颇为各地所欢迎。以热带地区说,它单位面积生产的食物热量比水稻、甘薯高1—2倍,比高粱、小米高4—5倍。木薯块根主要含淀粉,其他蛋白质、脂肪及甲、乙种维生素比大米、甘薯等为少,作为主粮时须搭配富含蛋白质等的食物,以免营养欠缺。以广东省来说,木薯栽培面积仅次于水稻、甘薯,居第三位。木薯在广西的粮食上更占重要地位。
Cassava is an important grain and starchy plant in the tropical and subtropical regions. It has many advantages, such as high yield, strong adaptability, drought tolerance, less pests and diseases, wide application and so on. In the tropics, the calories per unit area of food produced are 1-2 times higher than that of rice and sweet potatoes and 4-5 times higher than that of sorghum and millet. Cassava roots contain starch, other proteins, fat and A, B vitamins than rice, sweet potatoes and other less, as staple food must be accompanied by foods rich in protein and so on, so as to avoid lack of nutrition. In Guangdong Province, cassava cultivation area second only to rice, sweet potato, ranking third. Cassava in Guangxi’s food is more important.