The objectives of this research are to study the management influences on Longan product, the value of Longan product with agricultural science and technology, and the public policy that affects on Longan product security. This study employs quantitative methods in analyzing the data collected from 400 Longan farmers in 3 provinces located in the northern region of Thailand: Chiang Mai, Chiang Rai, and Lamphun. The models were tested via Structural Equation Modeling or SEM and results indicate that Longan product management and public policy have positive effects on Longan security. Results also show that agricultural technology has a negative effect while the value of Longan product has no influence on the Longan security.
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