近年来,各地蔬菜保护地生产发展迅速,即丰富了城乡居民的菜蓝子,也给广大菜农带来了可观的经济效益。但是,就一些地方的蔬菜保护地发展现状看,还处于初级阶段,存在以下四个误区。 一是规模小、档次低。时下农民建起的蔬菜塑料大棚多是一些简单的中、矮棚,不仅光照不足,有效种菜面积少,浪费人工和能源,整体效益很难提高。因此,在建大棚中要舍得投入,档次要高, In recent years, the rapid development of vegetable production in various places has enriched the vegetables and fruits of urban and rural residents and brought considerable economic benefits to the majority of vegetable farmers. However, in some places, the status quo of the development of vegetable conservatories is still in its infancy, with the following four misunderstandings. First, small-scale, low grade. Nowadays, many vegetable greenhouses built by peasants are mostly simple middle and short sheds. Not only insufficient light, less effective area for planting vegetables, wasted labor and energy, the overall efficiency is hard to be improved. Therefore, to be willing to invest in the construction of greenhouses, high grade,