马铃薯在我国各省区均有栽培,全国栽培面积居世界第二位。马铃薯的产量高,用途广,有较高的经济价值,单位面积干物质产量比其它禾谷类作物高2～4倍。马铃薯块茎中除含丰富的淀粉外,还含有适量的蛋白质、维生素、脂肪、糖类和矿物质,所以马铃薯既是蔬菜又是粮食。在工业上利用马铃薯块茎所含的淀粉可制造多种产品。在我国北方,由于马铃薯耐贮藏,又是人 Potato is cultivated in various provinces and autonomous regions in China, ranking second in the world in terms of cultivation area. Potato high yield, wide use, high economic value, dry matter yield per unit area than other cereals 2 to 4 times higher. In addition to the rich potato starch tubers, but also contains the right amount of protein, vitamins, fats, carbohydrates and minerals, so the potato is both vegetables and food. Many products are made industrially using starch contained in potato tubers. In the north of our country, because potatoes are resistant to storage, they are human beings