Business purposes were mainly land readjustment and improvement of irrigation channels and drainage, but in west Japan where regular sections by jori were pervasive, land readjustment was not required and enforcement was limited in some lands with poor drainage.
事業目的は大きく分けて土地区画整理と用排水路整備であったが、条里による整形区画の広がる西日本においては土地区画整理が必要でなく、実施例は一部の排水不良地に限られた。