试验观察了不同晾盘时间对烟苗素质的影响。结果表明，在贵州省黄平县生态条件下，烤烟飘浮育苗以晾盘3次、每次3 d 的总体效果最好，晾盘时期选择烟苗出苗期和成苗期为宜。

The influence of different airing-plate time on floating nursing seedling quality was abserved .The results showed that it was fast growth of overground part by different plate airing test， but the root system was less developed， it was poor flexibility， easily broken and low seedling rate； the best effect was airing-plate by three times and three days per time； the best airing-plate time was chose emerge and seedling stage of tobacco .

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贵州省黔东南苗族侗族自治州烟草专卖局(公司)科技项目[黔东南州烟司技(2012)2号]部分内容