果树药肥混用十忌１混合后易发生化学反应的农药忌混用。如波尔多液忌与石硫合剂混用，因二者混合后会发生化学反应生成多硫化铜，不仅影响使用效果，还会对果树产生药害，二者分别使用至少应间隔１０天。２遇到碱性物质易被中和失效的酸性生长调节剂或微肥忌与碱性化肥、... Mixed fruit tree fertilizer ten avoid a mixture of chemical reactions prone to avoid mixing pesticides. Such as Bordeaux mixture and lime stone sulfur mixture, because the two will occur after mixing chemical reaction of copper sulfide, not only affect the use of results, but also on the tree phytotoxicity, the two were used at least 10 days apart. 2 encountered alkaline substances susceptible to neutralization and failure of acidic growth regulator or micro-fertilizer and alkaline fertilizers, ...