l 施肥补救 对产生叶面药斑，叶缘枯焦或植株黄化等症状的药害时，增施肥料可减轻药害程度。 l 排灌补救 对一些除草剂引起的药害，适当排灌可以减轻药害的程度。 l 激素补救 对于抑制或干扰植物的除草剂，如2甲4氯、甲草胺、杀草丹、禾大壮等在发生药害后，喷洒赤霉素可缓 l fertilization remedy on the production of foliar drug patch, leaf margin Kujiao or plant yellowing and other symptoms of injury, the increased fertilization can reduce the degree of injury. l irrigation remedy for some herbicide-induced phytotoxicity, appropriate drainage can reduce the extent of injury. Hormonal remedy For herbicides that inhibit or interfere with plants, such as 2-methyl-4-chloro, alachlor, herbicide,