What did Su Dongpo do in Dingzhou?

From 65438 to 0093, Su Dongpo was an official in Dingzhou for 8 months. Rectify military discipline, establish arrow-drawing clubs and boost morale; Visiting people's feelings frequently, "the south rice moved to the north" and opened a paddy field in the wasteland; When he heard the farmers who transplanted rice singing, he recorded the lyrics and songs, and after sorting them out, he named them "Transplanting Songs", which was the later Hebei local opera "Dingzhou Yangko". Encourage farmers to improve soil, control wasteland and plant trees extensively; The construction of "Snow Wave Zhai" has become a scene of later generations; It must be Ding Kiln porcelain.