实践表明,农药合理混配,不仅可以提高功效,扩大使用范围,而且可以病虫兼治,减少用药量,提高施药效果,还能规避病虫抗药性等。要使混配农药达到预期效果,必须遵循以下4个原则:一是不能影响有效成分的化学稳 Practice shows that the rational mixing of pesticides can not only improve efficacy and expand the scope of use, but also can cure pests and diseases, reduce the dosage, improve the effect of pesticide application, but also avoid pest and disease resistance and so on. To make mixed pesticides to achieve the desired effect, we must follow the following four principles: First, can not affect the chemical composition of the active ingredient