2021 年 93 巻 2 号 p. 238-243
The purpose of this study is to verify the changing process of Full Utilization of Paddy Fields in Japan from literature surveys and statistical analysis. The main results are as follows. First, the policy up to the fiscal year 2018 is divided into the first half and the second half every five years. Second, the first half promoted the maximization of paddy field use, while the second half had the role of rice production adjustment. Thirdly, paddy field maintenance is becoming more serious as paddy fields are being reduced and policy concerns about uncultivated paddy fields are weakening.