Title 水稲直播栽培導入による経営規模拡大の検討 Author(s) 光永, 光 Citation 農業経営研究, 24: 55-67 Issue Date 1998-02 DOI Doc URLhttp://hdl.handle.net/2115/36530 Right Type bulletin Additional Information File Information 24_55-68.pdf Instructions for use Hokkaido University Collection of Scholarly and