About ITO TOYOAKI
About 東北大 大学院農学研究科
About ITO TOYOAKI
About 新潟食料農大
About 日本土壌肥料学雑誌
About paddy rice
About cultivation
About sustainable agriculture
About cultivation management
About compost
About reduction
About load
About recycling
About silicate
About flocculant
About soil fertility
About environmental impact
About organic farming
About paddy field
About poly-silicate iron
About compost of animal waste
About environmental loading reduction
About conservation agriculture
About rice cultivation
About Agriculture
About utilization
About reuse
About アシドロコンポスト
About paddy rice cultivation
About soil fertility
About manuring practice
About organic cultivation
About Soil fertility
About Fertilizer application and efficiency
About Rice cropping
About 資源
About 活用法
About 基盤
About 環境保全
About 肥培管理
About 研究