畑作限界地域における有畜農業システム : 地域複合の形成と展開

概要

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Upland farms in Hokkaido, have achieved an enlarged scale and a specialization of product. They are in the face of problems of cost reduction, quality improvement of upland products and introduction of new intensive product. In Shirataki village, that is located in marginal upland area, the agricultural system is solving the problems. This agricultural system consists of regional resource utilization and introduction of beef cattle in upland farming. The beef cattle raising center, which is managed by agricultural co-operatives, feed new born bull calves produced in dairy farming. Roughage for beef cattle is ammonia treated wheat straws which are by-products in upland farming. They also utilize bark which is by-product in sawmill as bedding. Compost and barnyard manure are supplied to upland farming. In this integrated system, ammonia treatment is a key technology. This system enables to raise beef cattle by utilizing regional resource, and to supply compost and barnyard manure to upland. Raising beef cattle is intensive and profitable. Supply of compost brings yield increase and improvement of quality in upland products. In this way, this system enables to solve the above problems and increase productivity and income level in regional agriculture and upland farmings.
北海道農業経済学会の論文