马铃薯是世界上主要粮食作物之一 ,全世界绝大部分国家和地区都有栽培。我国马铃薯栽培已有4 0 0年的历史 ,近 5 0年来 ,随着中国人民对马铃薯的重视 ,马铃薯栽培面积大幅增长 ,全国每个省(区 )都有马铃薯的栽培。但马铃薯分布情况以东北、华北、西北和西南等地区为多 ,是中国 Potato is one of the main food crops in the world and is cultivated in most countries and regions of the world. In the past 50 years, with the emphasis on potato by Chinese people, the area under cultivation of potatoes has risen sharply. Every province (region) in the country has potatoes cultivation. However, the distribution of potatoes in Northeast, North China, Northwest and Southwest China and other regions are more