Introduction to dynasty agricultural policies: In the center of the farming avenue, there are 18 white marble stone drums. From ancient times, Xia, Shang, Zhou, Qin, Han, Wei, Jin, Southern and Northern Dynasties, Sui, Tang, Song, Liao, From the Jin, Yuan, Ming and Qing dynasties to the Republic of China, the Agrarian Revolution, and the People's Republic of China, the agricultural policies and taxes of the past dynasties are engraved on them, that is, the "Agricultural Policies of the Dynasties". Visitors can understand the evolution of China's agricultural taxes, taxes, and corvee by browsing this process. .