Reformations based mainly on scrimping and saving along with development of new fields were carried out by Sadamichi, although these turned out unsuccessful and failed after all when Sadamichi died young.
定享は質素倹約や新田開発を主とした藩政改革を断行したが、効果が見込めず、また定享自身が若死にしたため、失敗に終わった。