试验结果表明，丁草胺、丁草胺加秧苗保护剂、丙草胺、杀草丹等药剂对肥床旱育秧池水稻出苗及秧池生长均无不良影响，丁草胺、丁草胺加秧苗保护剂对单、双子叶杂草防效均较好，丙草胺对单子叶杂草防效较好，对双子叶杂草防效不理想，杀草丹对稗草防效较好，对其他杂草防效较差，施药适期为播种盖土后覆膜前常规喷雾 The results showed that butachlor, butachlor and seedling protectants, pretilachlor, herbicide Dan and other agents had no adverse effect on rice seedling emergence and seedling growth in dryland seedbed, butachlor, butachlor and Seedling protective agent against single and dicotyledonous weeds are better control effect, pretilachlor on monocotyledonous weeds better control effect on dicotyledonous weeds is not ideal, herbicide Dan on barnyard grass better control effect, On the other weeds control effect is poor, spraying the appropriate period for the cover of the conventional coating after the cover spray