一、建造保护地设施保护地设施主要有两种:1.塑料日光温室通常采用拱园式屋面短后坡北后墙、东西侧墙的结构,坐北朝南、东西延伸建造。整个温室要比蔬菜棚略高。一般屋脊高3.0～3.2米,前肩高1.2～1.5米,垮度7～8米,东西长50～80米,栽培面积 First, the construction of protected facilities There are two main facilities of protected areas: 1. Plastic greenhouses usually use a short arch behind the northern slope of the back wall, the structure of the east and west side walls, north-south, east-west extension of the building. The greenhouse is slightly higher than the vegetable shed. Generally 3.0 ~ 3.2 m high roof, shoulder height of 1.2 to 1.5 meters, the collapse of 7 to 8 meters, something long 50 to 80 meters, the cultivation area