Other achievements of Nagatsune include the successful cultivation of Hazenoki (Rhus succedanea, a kind of wax tree) and Kozo (a mixture of Broussonetia kazinoki and B. papyrifera, a material for Japanese paper), mastery of the wax extraction technique, and the settlement of production of unglazed earthenware as a samurai's side job.
このほか、ハゼノキ・コウゾの栽培や蠟絞りの技術や、藩士の内職として土焼人形の製造法なども伝えている。