During the Kyoho era, when the province suffered successive natural disasters, he introduced provincial reforms including issuance of a han bill (bills usable only in a particular feudal clan), a rice-tax delivery system, and imposition of goyokin (the money the Edo bakufu charged temporarily on farmers and merchants).
しかし享保年間には天災が相次いだため、藩札の発行や上米制度、御用金賦課などの藩政改革を行なった。