Entering the Meiji period, he expressed "Saibai Keizairon" (literally, "the theory of cultivating the economies") and severely criticized cultural enlightenment, asserting agricultural fundamentalism, national seclusion and the use of domestically produced goods.
明治に入ってからも『栽培経済論』を表して文明開化を痛烈に批判して農本主義・鎖国体制の堅持・国産品推奨を主張した。