About FURUTA MUTSUMI
About SHIMOSATO TOSHIYUKI
About 上越教大 大学院
About 長野大学紀要
About cultivation
About science history
About organic farming
About manners and customs
About Nagano prefecture
About rice crop
About 黒沢農法
About natural farming
About 小柳津式天理農法
About agricultural history
About Folklore
About Organic Agriculture
About Rice cropping
About 日本
About 近代
About 農業史
About 有機農業
About 問題