北海道大規模水田地帯における転作対応、転作田土地利用の課題
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概要
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In Hokkaido in recent years, a rice price drop is remarkable and the rice crop profit is getting worse. Therefore, efficient paddy field use is needed. However, on the other hand, realization of good rice production has been the conditions of a rice-producing district survivor. The way that should be of paddy field use in a rice crop farmhouse attracts attention under such a situation change. The purpose of this report is carrying out the trend and subject of the paddy field use (field upland fixed system, or paddy-upland rotation system) for the South Sorachi area of a large-scale paddy field zone. The result is as follows. The first, the tendency that improvement in the quality and yield of field crops is achieved was suited in a fields paddy-upland rotation system. But, the tendency urged to quality degradation of rice was suited. The second, the tendency that quality degradation of rice is controlled was suited, in a field upland fixed system. But, the situation that it was apprehensive about obstacle generating of field crops was suited. Meanwhile, the direction of the following paddy field use was overlooked from now on. The first, in order to materialize a fields paddy-upland rotation system, the technical establishment which controls quality degradation of rice is required. The second, in order to materialize a field upland fixed system, the establishment of a rotaion system is required, which avoids obstacle generating of field crops. The third, it is required to adopt a different paddy field use system, according to the regional difference of rice quality.
- 北海道農業経済学会の論文
- 2005-03-10
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