稻田杂草危害,仍是当前影响水稻产量均衡提高的重要因素。解决草荒问题,除了加强栽培管理之外,正确地选择和使用除草药剂是经济有效的措施。今年我省进口50%乳剂杀草丹,是一种内吸传导型的土壤处理除草剂。为了明确施用杀草丹的适量、适期、灭草效果、残效期以及对水稻的安全性,除结合大面 The damage of weed in paddy field is still an important factor that affects the balanced increase of rice yield. To solve the problem of grassland wasteland, in addition to strengthening the cultivation and management, the proper selection and use of herbicides is a cost-effective measure. This year, our province imported 50% of emulsion herbicide Dan, is a kind of absorption-type soil treatment herbicide. In order to clarify the amount of herbicide Dancao appropriate, appropriate, herbicidal effect, residual period and the safety of rice, in addition to the combination of large