About TSUNEKAWA ISOO
About 農業技術研究機構 畜産草地研
About 関東東海農業経営研究
About double cropping
About Oryza sativa
About forage crop
About Gramineae
About cereal
About analysis of profitability
About transformation and conversion
About manufacturing cost
About case study
About whole crop rice
About Mugi
About paddy field conversion
About production cost
About Crop cultivation in general
About 稲
About 麦
About 二毛作
About 経済
About 背景