About SAKAI NORIO
About NAITO SHIGEYUKI
About 農業市場研究
About Kagoshima prefecture
About island
About Colocasia esculenta
About crop(agriculture)
About agriculture
About shipping
About agricultural management
About geomorphic element
About Yoronto Island
About farm products
About farm house
About islands
About Tubers(=corms)
About Agricultural economy,agricultural management
About 亜熱帯
About 離島
About さといも
About 農家
About 出荷
About 行動