马铃薯在湟源县历年种植面积占总播种面积的6—8％,由于受气候条件的制约,产量低而不稳,特别在脑山地区种植面积大,亩产仅有600公斤左右,影响了马铃薯生产的发展。我县于1981年引入地膜覆盖栽培技术,先后在蔬菜、马铃薯、蚕豆和甘蓝型油菜上 The planting area of ​​potatoes in Laiyuan County in the past years accounts for 6-8% of the total sown area. Due to the climatic conditions, the output is low and unstable. Especially in the Beishan area, the planted area is large and the per mu yield is only about 600 kg, affecting Development of potato production. In 1981, our county introduced the technology of plastic film mulching and cultivation, successively on vegetables, potatoes, broad beans and cabbage rape