In order to find the suitable transplanting time of flue-cured tobacco variety CB-1 in Sanming,the effects of different transplanting time on growth and quality were studied by multi-years method. In Fujian Sanming tobacco area,on the basis of conventional transplanting,appropriate early transplanting was helpful for early growth and quick tillering of tobacco plants,tobacco plants had better growth and development,leaf number and leaf area increased rapidly,the growth was robust,the stress resistance was i...