近年来,江苏省塑料大棚蔬菜生产有了新的发展,据对全省11个城市郊区的初步统计,大棚面积已达4300亩,已占这些城市常年性菜地面积的2.3%,其中以南京市发展最快,共新建大棚1260多亩。在结构上,各市更多地采用了钢管大棚,约占新发展大棚的80%以上。但镀锌薄壁钢管装配式大棚的面积 In recent years, there has been a new development of vegetable production in plastic greenhouse in Jiangsu Province. According to the preliminary statistics of 11 suburbs in the province, the area of ​​greenhouse has reached 4,300 mu, accounting for 2.3% of the perennial vegetable area in these cities. Among them, Nanjing The fastest-growing city, a total of 1260 acres of greenhouses. In terms of structure, cities use more steel pipe sheds, accounting for more than 80% of the newly-developed greenhouses. However, the area of ​​galvanized thin-walled steel tube plant shed