1. land resources2. land utilization3. land utilization structure4. land utilizing classification5. overall layout of land utilization6. land tenure7. land recultivation8. land trimming9. land ownership management10.plowland11.woodland12.city planning13.land finance14.land market15.land fund16.land demand17.land durative18.land supply19.landtax/gound rent20.land-value