About NAKAGAWA SHOJI
About 農業・環境・健康研 名寄研究農場
About HASHIMOTO MASAMITSU
About エム・オー・エー商事
About IGAWA KOICHI
About 農業・環境・健康研 名寄研究農場
About SHIMIZU KOICHI
About 農業・環境・健康研 名寄研究農場
About 農業および園芸
About potato
About organic farming
About defect
About marketing research
About consumer oriented
About quality
About non-standard product
About crop quality
About organic cultivation
About Agricultural economy,agricultural management
About Tubers(=corms)
About 有機栽培
About ジャガイモ
About サイズ
About 流通
About 規格外
About 選別
About 消費者
About 購入
About 意識