"The Engishiki" provided 86 cho including Izumi Province, and some rice fields were managed by the Imperial Household Ministry and others were managed by each province but the persons in charge of the management were authorized by kokushi (provincial governors).
『延喜式』では和泉国を含めて86町あり、宮内省営田と各国営田があるが、経営の責任者は共に国司に委された。