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马铃薯在我国北方栽培面积比较大,是主要的粮食和蔬菜作物。它具有很高的营养价值和药用价值.一般新鲜薯中含淀粉9～20%,蛋白质1.5～2.3%,脂肪0.1～1.1%,粗纤维0.6～0.8%。从营养角度来看,常吃马铃薯有保健和防病的功效。主要技术环节如下:1.选用良种要从产量、生育期、抗逆性等多方面因素选择适宜当地栽培的优良品种。适宜北方栽培的品种有:中早熟品种:早大白、尤金885、荷薯、黄
Potato cultivation in northern China is relatively large, is the main food and vegetable crops. It has high nutritional value and medicinal value.Generally, fresh potato contains 9-20% starch, 1.5-2.3% protein, 0.1-1.1% fat and 0.6-0.8% crude fiber. From a nutritional point of view, eat potatoes are health and disease prevention effect. The main technical aspects are as follows: 1. Selection of elite varieties from the yield, growth period, resistance and other factors to choose suitable for local cultivation of fine varieties. Suitable varieties cultivated in the North are: middle-early maturing varieties: early white, Eugene 885, sweet potato, yellow