The system, which gave tato farmers the official right to cultivate land with the acknowledgement of territorial governors, also brought considerable advantages to these farmers, who had had to maintain their land in unstable social relationships.
また、田堵の側にとっても、権利関係が不安定なままで田地経営を行うよりも、国司の公認を得て、安定した権利関係の上で田地を経営することには大きなメリットがあった。