The term "Yusoden" means rice fields on which denso (rice field tax) was imposed under the taxation system of Ritsuryo system (a system of centralized government based on the Ritsuryo Code).
輸租田（ゆそでん）とは、律令制における田地の課税方式の区分のうち、田租を国家へ納めることが定められた田。