坝上高寒区的张北县，由于受气候条件影响，多年来，从11月份至来年5月初为冬春蔬菜紧缺阶段。但近年来，随着保护地栽培生产的发展，特别是坝上高寒区棚（室）的发展，已初步摸索出多种类、多品种，多种蔬菜栽培模式，初步改变了当地冬春蔬菜的紧缺状态。一、主要种植模式：（ Zhangbei County, alpine zone dam, due to the impact of climatic conditions, over the years, from November to early May next year, winter and spring vegetable shortage period. However, in recent years, with the development of cultivated cultivation in the protected areas, especially the development of shelters (chambers) in the alpine region of Bashang, preliminary exploration has been made for various types of cultivars and varieties of vegetables and vegetables, which have initially changed the patterns of local winter and spring vegetables Shortage status. First, the main planting mode :(