直播稻田化除通常采用“一封、二杀”的方法,具体措施及适用药介绍如下。土壤封闭处理适合直播稻田播后苗前进行土壤封闭处理的除草剂品种很多,其中防除千金子、稗草等禾本科杂草的有丙草胺、丁草胺、噁草酮、二甲戊灵等;防除阔叶杂草和莎草的有苄嘧磺隆、吡嘧磺隆等。 In addition to the direct broadcast of paddy field usually use “a, kill two ” method, the specific measures and applicable drugs are as follows. Soil sealing treatment Suitable for direct seeding rice before sowing seedlings after soil sealing treatment of many varieties of herbicides, including the prevention and control of gold, barnyardgrass and other grass weeds are pretilachlor, butachlor, oxalic ketone, pendimethalin Etc.; Control of broadleaf weeds and sedges are bensulfuron-methyl, pyrazosulfuron and so on.