農業構造変動の進展地域における 大規模水田農業経営の展開

　This paper analyzes expansion of large-scale Paddy field management entity and change of agricultural structure in Japan. Paddy agriculture has changed. Mid-size agricultural management entities have decreased and large-scale management entities have increased. This factor is due to downturn in rice price and agricultural structure policy. Those large-scale management entities have accumulated paddy fields more than half of agricultural commune. Sustainability and vison of such a farm management entities are vital for maintenance and development of regional agriculture.
　This paper takes up development of large-scale management. N Corporation, which manages 395ha of farmland in Toyota, Aichi Prefecture, has been analyzed as a case study. The findings of the analysis are as follows : The speed of increasing the workforce to accompany the enlargement of the managed area depends on, which is the reason why N Corporation became organization change from cooperative to corporation. The conversion in the latter case has changed the status of workers, who used to be members of the cooperative, to employees and the management of workers from a horizontal system to a more vertical and sectional structure.
　From the above, this paper can draw the following conclusion : Large-scale management entities was changed by field scale expansion. They are face a decrease in yield and decrease in earnings of the paddy fields agriculture. As a result, they need to organization change. And agricultural structure policy is not only required to accumulate fields but also to overall management support.

研究紹介 (Research Report)