Based on the investigation of the amount of labor used in each production link of flue-cured tobacco planting in Liuyang since 1989,and through the analysis of the changes of labor-related factors,it is concluded that the amount of labor used in tobacco planting in Liuyang experienced a significant increase and relatively stable stage in the early 1990 s,and it has been declining continuously since the beginning of the21 stcentury; the change of flue-cured tobacco planting technology mode,as well as mechanized,large-scale and specialized production are the main factors that affect the change o...
