About WAKUI YOSHIRO
About 鯉淵学園農業栄養専門学校
About 農林水産技術研究ジャーナル
About organic farming
About vegetable
About non-plowing culture
About possibility
About problem
About sustainable agriculture
About tomato
About Solanum melongena
About fertilization(cultivation)
About noxious insect
About plant disease
About Vegetables
About Agricultural economy,agricultural management
About 有機農業
About 野菜
About 不耕起栽培
About 可能性