Zhongguan Town is a town under the jurisdiction of duchang county, Jiujiang City, Jiangxi Province. Located in the east of duchang county, 55 kilometers away from the county seat, with an area of 5.7 square kilometers and a population of 19,. Jing (Dezhen) Jiu (Jiang) Expressway passes through the territory. Jurisdiction over Xiaohe, Paishan, Liushan, Zhongguan, Yinbao, Shuangqiao, Gangxi, Datang and Nantang 9 village committees. In the history of China Library, rice, cotton, soybeans, wheat and peanuts were the main crops. By 213, in order to meet the market demand, the town government effectively adjusted the agricultural industrial structure, reduced the planting area of grain and cotton, and supported the establishment of a large number of "characteristic agriculture" demonstration bases, among which greenhouse vegetables developed the fastest, and the number of greenhouses in China Library Village had increased from less than 3 to more than 4 before 213. Village committees such as Yinbao, Xiaohe and Paishan also followed suit to develop vegetables. In the three seasons of the year, the average income of vegetables per mu reached 6 yuan, and the "greenhouse vegetables" in Zhongguan Town grew from scratch, from less to more, realizing "one year is the same, and three years are the big changes". "Greenhouse vegetables" has become a beautiful "landscape" in the development of agricultural economy in this town. While grasping vegetables, we will moderately develop the production of sugarcane, peanuts, soybeans and sesame seeds, forming a pattern in which vegetables are the mainstay and various cash crops coexist.