近几年来,我省较大面积地示范推广了麦田化学除草,所使用的除草剂以均三氮苯类的扑草净和取代脲类的绿麦隆、敌草隆为主,在生产上起到了较好的作用。由于均三氮苯和脲类除草剂在土壤中的残效期比较长,它们对小麦的安全性以及对后茬水稻的影响如何?生产上十分关注。国外已有取代脲类除草剂在土壤中残留引起后茬作物减产 In recent years, a large area in our province to promote the demonstration of wheat field chemical weeding, the herbicide used to triazine benzene to the net prothrombin and replace the urea, chlorothalonil, Diuron, in production Played a better role. Due to the relatively long residual period of soil-based triazine and urea herbicides in soils, they are of great concern for the safety of wheat and its impact on the quality of rice after the crop. Abandoned urea herbicides in the soil have been caused by crop residues in crop yield