-Paddy field (5 rai )
-Field crops or fruit trees (5 rai )
-Farm pond (3 rai) . The 1,000 m3 of water is needed for 1 rai of cultivated land. Each farm must have10,000 m3 of water annually for 5 rai of paddy field and 5 rai of field crops or fruit trees.
A pond with 4 meters deep on the 3 rai area is capable to hold 19,000 m3 of water.
-Residential area (2 rai)