A Study on Existence Conditions for Cascade Utilization of Rapeseed

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For rural development, it is necessary to build cooperation between local agriculture, secondary and tertiary sector of industries for creating much added value. The aim of this study is to reveal the problems for existence conditions of local industrial cooperation through the cascade utilization of rapeseed. According to activities in Kosaka town, Akita prefecture, planting of rapeseed began to take advantage of idle farmland in 2004, then, facilities for expressing oil and processing chili oil were equipped. As a result, local industrial cooperation brought large economic benefits to the town. However, rapeseed yield decreased sharply, and the amount of value-added in the growing stage and expressing stage dependent on rapeseed production was reduced. For existence of cascade utilization of rapeseed, it is essential to enhance production of rapeseed through establishment of cultivation technique based on local characteristics and the stabilization of the subsidies.