育苗是烤烟生产中的关键环节，特别是旱地种植烤烟育苗更为重要。我省烤烟生产大多在旱地种植，大部分采用普通散育苗和方格切块育苗方法，这两种方法一个突出的问题是烟苗移栽期春旱较重，移栽后需较长的缓苗时间，使得烟株前期生长慢，后期下雨后暴长，往往造成贪青晚熟，损? Nursery stock is a key part of flue-cured tobacco production, especially in the dry land cultivation of tobacco seedling is more important. Most tobacco production in our province is planted in the dry land, and most of them adopt ordinary seedling dispersal and checkered block nursery method. One of the outstanding problems of these two methods is that the spring drought is heavier during transplanting of tobacco seedlings and takes a longer time after transplanting Miao time, making the early growth of tobacco plants slow, late raging after the storm, often resulting in late Qing Yue, loss?