旱直播稻田杂草由于出苗早、生长空间大、发生种类和数量多,危害十分严重,且杂草草相变化较大,以至于除草难度也较大。因此,丹徒县农科试验站在市植保站的指导下,于1997～1999年进行了旱直播稻田杂草防除方法及技术研究,用50%丁草胺、10%苄黄隆、水旱灵、稗草亡、威霸、二甲四 Dry weeds in direct-seeded rice fields grow early due to emergent emergence and have large space for their growth. They occur in large numbers and in large numbers. The weeds are very serious and their weeds change greatly. As a result, weeds are more difficult. Therefore, Dantu County Agricultural Experiment Station under the guidance of the plant protection station in 1997 to 1999 conducted a direct-seeded rice dry weed control methods and techniques, with 50% butachlor, 10% benzyl Huanglong, water and drought Spirit, barnyard grass died, Wei tyrants, two four