Story
Fertilizer production from Xiaohe mud was originally a more common agricultural fertilizer production technology in the Jiangnan area. After being recorded on the Qingxi hand scroll, it was promoted in Lingxing Village after Zhai Xu’s study. With the help of mud and fertilizer, Stillhearth Grove, which was originally not fertile, ushered in a bumper harvest of medicinal materials, and the villagers gradually settled down.