In this study, business, body works, longan in Chiang Rai, Chiang Rai areas due to planting up to 130000 Rai as longan 3rd try from Chiang Mai and lamphun, respectively, which in recent years pomelo output in Chiang Rai 2558 (2015) drops to almost 20000 tons, when compared with last year, making the target area, in Chiang Rai is 2557 (2014) who would like to study.
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