Taking the tobacco area of Shashi town in Liuyang as the object,the number,average age,numbers and ratio of registered tobacco farmers,new tobacco farmers,withdrawn farmers at different ages in recent ten years,numbers and ratio of farmers who born in different decades of registered,new or resigned tobacco farmers in Shashi town of Liuyang,as well as their planting history and scale were analyzed.The results showed that there was a rapid decline of farmers number from 2012 to 2018 in Shashi town of Liuyang,the average age continuously increased and the planting scale rose.The drop speed of the...