Labor force transfer and the development of traditional agricultural district 并列题名：Labor force transfer and the development of traditional agricultural district History of the development of China's agricultural system Rationale on the development of traditional Chinese medicine Research on the development of China's agricultural insurance 并列题名：Research on the development of China's agricultural insurance Birth of rural entrepreneurs and the transformation of traditional agriculture in China Industry convergence and the development of modern agriculture Institutional change and the industrialization of traditional agricultural areas 并列题名：Birth of rural entrepreneurs and the transformation of traditional agriculture in China