施肥补救 一般对产生叶部病斑、叶绿焦枯和植株黄化等症状的药害,增施肥料可以减轻药害损失。如麦苗出现绿黄隆药害后,可以追施人粪尿,根外追施尿素加磷酸二氢钾,促使植株恢复生长。 排灌补救 对一些除草剂引起的药害,适当排灌也可减轻药害程度。如杀草丹引起水稻矮化症,其药害原因是 Fertilization remedies generally produce phytophagous leaf spot, leaf green coke dry and plant yellowing and other symptoms of phytotoxicity, fertilization can reduce the phytotoxic loss. Such as wheat seedlings appear chlorothalonil poisoning, the human waste can be topdressing, root topical urea plus potassium dihydrogen phosphate, to promote plant growth. Irrigation remedy for some herbicide-induced injury, appropriate drainage can also reduce the extent of injury. Such as kill grass Dan cause rice dwarf disease, the reason for the injury is