植物农药防治红蜘蛛效果好红蜘蛛是果树的顽敌，近年来，由于一些地方连年单一使用化学农药，使红蜘蛛产生了抗药性，防治效果逐年降低。而用植物农药防治红蜘蛛，效果良好，取村容易，用法简单，成本低廉。尤其在当前化学农药价格上涨的情况下，植物农药更具有其重要的现... Plant pest control Red spider effect Red spider is a stubborn enemy of fruit trees, in recent years, due to the continuous use of chemical pesticides in some places year after year, so that the spider mites have a resistance, the control effect decreased year by year. The use of plant pesticides to control spider mites, the effect is good, take the village easy, simple to use, low cost. Especially in the case of the current chemical pesticide prices, plant pesticides have more important ...