About KUWABARA TAKASHI
About 日本獣医生命科学大学
About UEKI MIKI
About 日本獣医生命科学大学
About 農業経済研究(Web)
About sustainable agriculture
About scale
About Sado Island
About cultivation
About productivity
About production
About agricultural management
About agriculture of environmental conservation type
About business scales
About Sado Island
About cultivation of irrigated rice
About crop productivity
About Crop production
About large-scale management
About farming without pesticides
About colony agricultural management
About environmentally friendly farming
About farm size
About weeding
About Agricultural economy,agricultural management
About Rice cropping
About 環境保全型農業
About 経営規模
About 新潟
About 経営
About 分析