农药混用在病虫草害的防治实践中,有独到“适用”优点。其中显见的优点是增强防效,同期兼治,省工节药,降低成本。隐形的优点是治理抗性,生境安全,降低公害,产品增质。农药混用常采用“成品混剂”和“现混现用”方式。由于“成品混剂”不能随变化要求而变更,使更新产品滞后。所 Pesticides mixed with the prevention and treatment of pests and diseases in the practice, there are unique “suitable” advantages. One of the obvious advantages is to enhance the anti-efficiency, the same period, provincial section medication, reduce costs. Invisible advantages of governance resistance, habitat security, reduce pollution, product quality. Often used as a mixture of pesticides “finished product mix” and “now mixed with” approach. As the “finished product mix” can not change with the change requirements, so that the updated products lag. The