塑料这阳网在旱生蔬菜生产上已得到普遍应用，其遮光降温在蔬菜尤其是利用其这光降温作用促进夏秋蔬菜周年均衡供应更为同行所共识。我系于1991年夏季起，连续2年在荧白栽培上进行覆盖试验，以探讨其对水生蔬菜蒙白生长发育方面的影响，为蒙白早熟及延长供应期的栽培技术提供依 Plastic This net in the production of xerophytic vegetables has been widely used, its opacification in vegetables, especially in the use of its photothermal effect of promoting the balance of summer and autumn vegetables, an annual supply of more consensus among colleagues. Since the summer of 1991, I have conducted coverage experiments on whitefly for 2 years in a row to explore its impact on the growth and development of aquatic vegetables in the field of white growth, and to provide pre-maturity and prolonging the supply of cultivation techniques.