近几年来,吉林省各地先后建立起保护地蔬菜生产基地十几万亩。在冬季或早春生产供应当地蔬菜市场,丰富了城市的菜篮子。叶菜类蔬菜,即通常说的食叶类蔬菜,如油菜、小菠菜、小白菜、茼蒿、莴苣、苦苣、红丁萝卜等,在吉林省秋冬季和早春生产中占有很大比例。由于是保护地生产,受高温高湿环境条件的 In recent years, Jilin Province has successively established over 100,000 mu of vegetable production bases in protected areas. The production of local vegetable markets in winter or early spring enriches the city's vegetable basket. Leafy vegetables, commonly known as leafy vegetables, such as rape, spinach, cabbage, chives, lettuce, bitter, red diced radish, etc., in Jilin Province in autumn and winter and early spring production account for a large proportion. Due to the protection of production, subject to high temperature and humidity environment