| In the Upper North of Thailand, The biggest wet season rice area is in Chiang Rai province whereas the smallest is in Mae Hong Son. In each year, the rice area data from each organizes are different. Application of geographic information technologies by translating THEOS satellite image is an alternative method for rice area evaluation. It can be used to predict the rice yield in Chiang Rai as well as for the data management for food security of Mae Hong Son province. The research found that Chiang Rai rice growing area covered the total of 1,245,342 rais, which was similar to the area reported by the Office of Agricultural Economics in 2010. Mae Hong Son Province covered the total of 113,842 rais, which had 17 percent higher than the area reported by the... |
