由于夏季高温,阳光强度大和多雨极易诱发青椒、番茄、茄子的日灼病,病毒病和青枯病,为了寻求减少蔬菜农药残留量的有效方法,卢龙县农业局植保站,通过示范推广遮阳网取得了缓解病害,提高蔬菜产量和质量的良好效果。据调查:在青椒、番茄、茄子这三种蔬菜上使用遮阳网的主要功能是: In order to find an effective way to reduce the amount of vegetable pesticide residue, due to the high temperature in summer, strong sunshine intensity and rainy day, the sunburn, virus and bacterial wilt of green pepper, tomato and eggplant could easily be induced. Plant protection station of Lulong County Agricultural Bureau, through demonstration and promotion Shade net made available to alleviate the disease, improve vegetable yield and quality of the good results. According to the survey: green pepper, tomato, eggplant these three kinds of vegetables on the use of shade net main function is: