防虫网覆盖栽培，是农产品无公害生产的重要措施之─，对不用或少用化学农药，减少农药污染，生产出无农药残留，无污染、无公害的蔬菜，具有重要意义。据报道，蔬菜防虫网在以色列、瑞典、美国、日本等国早已广为应用。在我国台湾使用范围相当广泛，成为全年蔬菜尤其是叶菜类 Insect net coverage cultivation is an important measure for pollution-free production of agricultural products ─────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────────── It is reported that vegetable insect net in Israel, Sweden, the United States, Japan and other countries have long been widely used. In Taiwan, China uses a wide range of vegetables to become a year, especially leafy vegetables