蔬菜大棚结构的更新改造运城地区蔬菜工作站李春藻，畅成德，朱桃义随着蔬菜生产水平的不断提高，旧式大棚蔬菜生产技术越来越落后，效益越来越低。为此，采用新技术尽快改造更新旧式大棚势在必行，经我们学习外地经验，结合运城地区近年实践证明，经更新改造的大棚，定植... Vegetable Greenhouse Structure Reformation and Transformation Yunchang District Vegetable Workstation Li Chunzao, Chang Chengde, Zhu Taoyi With the continuous improvement of vegetable production, old-style greenhouse vegetable production technology is getting more and more backward, and its benefits are getting lower and lower. To this end, the adoption of new technologies as soon as possible to transform and update the old-style greenhouses is imperative, after we learn from foreign experience, combined with the practice of Yuncheng in recent years proved that after the renovation of greenhouses, planting ...