By the principle divide farmland into 4 Part. The first part Do the water storage pond the number 30 percent of the area because agriculture necessary required water and can retain water have much sufficient the use of water do agriculture and requires planning Water use to benefits most such as Used to grow crops and Raise Animals. The second part give grow rice the number 30 percent of the area because the family must eat rice main food, for to live and A reduction in expenses within the family. The third part give plant Fruit Tree, crops, vegetable, herb and standing timber the number 30 percent of the area for use as a food and Lead to sale. The fourth part number 10 percent of the area used as a residence such as home, House pets and granary keep production.