Like other developing countries, Thailand also had adopted the liberal market-oriented policies to develop the country (Isarangkun and Pootrakool, 2005). The developmental strategy was implemented in Thailand aiming to improve the quality of life of its people by expanding the basic infrastructure throughout the country such as roads, electricity and irrigation projects. Consequently, the expanding of the basic infrastructure can bring in the foreign and local investments were encouraged to increase agricultural commodities in order to support country’s economic. Focusing on economic growth gave a great pressure especially on forest areas, which were rapidly destroyed and encroached for agricultural expansion (Department of Environmental Quality Promotion, n.d.). Furthermore, the need for land areas was high to meet the demand of increasing population and the high competition on land for residential, industrial, and agricultural purposes has also led to the land tenure insecurity for farmers. Accordingly, in response to those problems and the land protection for agriculture, the Agricultural Land Reform Office (ALRO) was established under the Ministry of Agriculture and Cooperatives in 1975 to take responsibility concerning the access of the poor people to land through implementation of land reform. ALRO’s mission was in line with the King’s wish to have agricultural land protection in order to have the