2002—2003年在广西田东县、河池市金城江区、百色市右江区、钟山县、上思县进行了免耕稻田杂草防效试验,其结果:农民乐747除草剂的施用量早稻以2 250~3 000 g/hm2、晚稻以3 000~3 750 g/hm2效果较好;农民乐747、10%草甘膦、克无踪3种除草剂处理免耕稻田杂草效果差异不大,产量没有明显的差别;喷施农民乐747后第2天回水,当天抛秧、泡田2 d抛秧、泡田4 d抛秧,这3个处理的杀灭杂草效果以及产量效应均没有显著差异,可在生产上因地制宜使用不同的方式。 In 2002-2003, we conducted tillage-free weed control experiments in Tiandong County, Hechi City, Jiangshu District, Baise City, Youjiang District, Zhongshan County and Shangsi County. Results showed that farmers’ application of 747 herbicide The effect of weeds in no-tillage rice fields was better than that in the late-season rice plants with the dosage of 2 250-3 000 g / hm2 and the late rice of 3 000-3 750 g / hm2, the farmer L 747, the 10% glyphosate- Little difference, no significant difference in yield; spraying farmers 747 after the first two days of return water, throwing rice the day, 2 d throwing rice fields, throwing 4 d throwing rice fields, these three treatments kill weeds As well as the yield effects were not significantly different, according to local conditions in the production of different ways.