塑料大棚在我省已有十多年的发展历史,面积逐年扩大,大棚的结构类型也逐步趋于规格,尤其是坚固适用、作业方便、造价低廉的拱园型无立柱钢筋骨架大棚,更受到广大蔬菜生产者的欢迎。但也应看到这种大棚在普及过程中,一些蔬菜生产社队对大棚适宜高度的认识尚不一致。有的地方(如双鸭山市和齐齐哈尔市)过去建造了许多高于 Plastic greenhouses in our province has been more than 10 years of development history, the area has expanded each year, the structure of greenhouses also tend to specifications, especially sturdy, easy operation, low cost arbor-type column-free steel reinforced concrete shed, but also by The majority of vegetable producers welcome. However, we should also see that during the popularization of such greenhouses, some vegetable production teams have not yet reached a consensus on the appropriate height of greenhouses. Some places (such as Shuangyashan City and Qiqihar City) built a lot more than in the past