夏天是农作物病虫害多发季节,有时一种作物要生几种病虫害。目前各地普遍采用混合用药,以达到共同防治的目的。农药有酸性、碱性和中性之别,使用时只有酸性农药之间或碱性农药之间可以混合使用。酸性和碱性农药混合使用会降低药效或失去药效。速测农药(包括激素和喷肥)是否可以混合使用,方法简单,即各取一点农药在少许水 Summer is crop season of pests and diseases, and sometimes a crop to produce several pests. At present, mixed drugs are commonly used all over the country to achieve the goal of common prevention and control. Pesticides are acidic, alkaline and neutral, when used only between acidic pesticides or alkaline pesticides can be mixed between. Mixed use of acidic and basic pesticides can reduce the efficacy or loss of efficacy. Rapid determination of pesticides (including hormones and fertilizer) can be mixed, the method is simple, that is, take a little pesticide in a little water