According to the "Shoku Nihon Koki" in a section on December 29, 835, this facility was established when the Gyobukyo (Minister of Justice) ONO no Minemori, who was formerly a Dazai no daini (Senior Assistant Governor-General of the Dazai-fu offices), invested earnings from approximately 140 hectares of his cultivated land into the operation.
『続日本後紀』承和2年12月3日條によれば、刑部卿の小野岑守が以前大宰大弐であった頃に開設し、墾田百四十町をもってその運営に当てたという。