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硬草（Sclerochloakengiana）是苏北沿海稻麦轮作麦田的主要禾本科杂草，目前生产上应用的防除药剂中，均存在着不同程度的缺陷，或除草效果虽较好，但药后通多雨易造成麦苗药害；或在土壤湿度大时施药对麦苗安全，但又存在着干旱时施药除草效果差的不足。为了能安全高效地控制
Sclerochloa keengiana is the major weed weed in the wheat-wheat rotation fields along the coastal areas of northern Jiangsu Province. At present, there are some defects in the control agents used in production, or the weeding effect is better. However, Resulting in wheat seedling injury; or when the soil moisture is large when the application of wheat seedlings safety, but there is a lack of application of herbicides when drought. In order to be safe and efficient control