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近几年，城乡居民因农药残留造成中毒事故的现象已是屡见不鲜，其中主要原因是不合理使用农药的结果。因此，推广无公害瓜菜生产，科学使用高效、低毒、低残留农药，已是势在必行。下面简要介绍瓜菜病虫害的无公害防治技术。优先使用农业物理措施如合理轮作、种子处理、土壤消?
In recent years, urban and rural residents due to pesticide residues caused by poisoning is not uncommon, the main reason is the result of unreasonable use of pesticides. Therefore, the promotion of pollution-free vegetables production, the scientific use of efficient, low toxicity, low residual pesticides, it is imperative. The following is a brief introduction of vegetable pests and diseases of pollution-free control technology. Give priority to using agricultural physical measures such as rational rotation, seed treatment, soil elimination?