Therefore, to increase the income from his domain, he tried to change the way of calculating nengu (land tax) to kenmi ho (annual crop inspections) (the fact that he resorted to an easy tax raise to increase the domain's income may show his ability or lack of ability).
そのため藩の収入増加を図るため、宝暦4年（1754年）、年貢の税法を検見法に改めようとした（収入増加を安易な増税に求めた事が、しょせんこの藩主の能力の限界だったのだろう）。