我省从七十年代开始,在水稻生产上普遍使用除草剂,战胜了草荒,水稻产量逐年上升。生产实践表明,使用单一除草剂反而激发了阔叶与宿根性杂草大量增殖,使稻田杂草群落发生新的演变。因此生产上急需一些具备高效、安全、经济、 Since the 1970s, our province has generally used herbicides in rice production to defeat grass wasteland and rice production has been increasing year by year. Production practice shows that the use of a single herbicide instead stimulated the large-scale proliferation of broad-leaved and perennial weeds, new evolution of weed communities in paddy fields. Therefore, the urgent need for some production with efficient, safe, economical,