By using a questionnaire to collect information to farmers in the area by the amount of 300 chantaburi province is divided into 5 district: Muang District, 20, 30, khlung district, Amphoe Laem sing 110 series, 80 series, THA Mai, na Yai am, Kang hang maeo and 60 series takes in the information store queries during the May 27 to June 10 2559.
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