因施药技术不当或借用、乱用劣质农药以及药械未清洗又用等种种原因 ,造成作物药害时有发生 ,轻则影响植株生长 ,重则毁苗无收。所以 ,必须针对农药性质及药害轻重程度 ,采取如下“五法”急救。1 .喷水洗药　若是叶片和植株喷洒药液引起的药害 ,且发现得早 ,药液未完全渗透或吸 Due to improper application of pesticides or borrow technology, indiscriminate use of poor quality pesticides and medicine unwashed and use a variety of other reasons, resulting in crop phytotoxicity from time to time, ranging from the impact of plant growth, while the destruction of seedlings without income. Therefore, we must take into account the nature of pesticides and the severity of the injury, take the following “five law” first aid. 1. If the spray water spray medicine and plants caused by pesticide spraying, and found early, the liquid has not fully infiltrated or sucked