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养鱼稻田水稻病虫害的防治,首先要强调生物防治,充分发挥自然天敌的作用,其次才选用农药。 养鱼稻田施用农药具体操作如下: 1.根据水稻病虫害情况适时对症下药:稻田养殖的鱼类可以起到水稻病虫害的天敌作用,因此养鱼稻田可对某些害虫放宽防治指标,稍推迟防治适期,以减少防治次数,缩小用药面积,降低成本。 2.选用高效、低毒、低残留农药:养鱼稻田不能使
Prevention and control of rice plant diseases and insect pests in fish farming should first emphasize biological control and give full play to the role of natural enemies, followed by selection of pesticides. The specific operation of the application of pesticides in fish farming is as follows: 1. According to the situation of rice pests and diseases right under the right medicine: fish farming in paddy fields can play a natural enemy of rice pests and diseases, so some pests can be loosed in the control of fish and rice, , To reduce the number of prevention and control, reduce the medication area, reduce costs. 2. Use efficient, low toxicity, low residual pesticides: fish can not make rice