The application effect of floating and normal seedling system in sun-cured tobacco Shiyan No. 1 was comparatively analyzed. The results showed that floating seedling can effectively shorten the growth period of tobacco and lower the cost and work intensity than normal seeding system due to stronger vigor of seedlings and shorter growth period. The tobacco mosaic virus was reduced and production value increased largely by the application of the floating seedling technology. Therefore, it is effective and useful for the floating seedling system to use in production of sun-cured tobacco.%对比分析漂浮育苗和常规育苗在当地晒烟什烟1号上的应用效果,结果表明,与常规育苗方式相比,漂浮育苗可以显著提高烟苗素质,进而缩短烟株生长和调制时间,节约成本,降低劳动强度；通过漂浮育苗技术,有效地控制了烟草黄叶病毒的发生,提高了产量和产值,增加了农民收入.因此,漂浮育苗技术适合在晒烟上大面积推广.
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