Quantitative Analysis of the Organic Resource Supply and Demand Balance in Agricultural Areas: Assessment of the Material Balance in Dairy Farming and Dry Field Farming in Hokkaido Town A

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  • 農村地域における有機性資源需給バランスの定量分析―北海道Ａ町における酪農経営と畑作経営の物質収支評価を事例として―
  • ノウソン チイキ ニ オケル ユウキセイ シゲン ジュキュウ バランス ノ テイリョウ ブンセキ ホッカイドウ Aチョウ ニ オケル ラクノウ ケイエイ ト ハタサク ケイエイ ノ ブッシツ シュウシ ヒョウカ オ ジレイ ト シテ
  • Quantitative Analysis of the Organic Resource Supply and Demand Balance in Agricultural Areas
  • —Assessment of the Material Balance in Dairy Farming and Dry Field Farming in Hokkaido Town A—
  • ――北海道A町における酪農経営と畑作経営の物質収支<BR>評価を事例として――

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In a case study of a mixed dry field and dairy farming area in Hokkaido, we used a questionnaire to ascertain how farmers manage and use livestock waste, straw and other organic resources. Then, from a material balance perspective, we attempted to assess the supply-demand balance of organic resources between raising livestock and dry-field farming.<BR>We found that the local cyclical use of composted livestock waste by dry-field farmers has made little progress, primarily due to a quality problem created by weed seeds mixed into the compost and the pattern that the more cattle a dairy farmer has, the smaller the amount of farmland available per head, causing a greater tendency to purchase straw and other resources from outside the area. This creates an input-output imbalance that increases the environmental burden.<BR>In addition, this study confirmed that the appropriate local cyclical use of resources requires securing about 1 ha of feed-growing land per cow. Moreover, when ascertaining the environmental burdens of farms, applying a method based on the farm gate balance method, which uses data from production history ledgers, was found to be effective.

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