Fertilizer Nutrients and Arable Land Application of Distillation Wastes Discharged from Bio-Ethanol Production Made from Different Dicotyledonous Materials

  • TANI Masayuki
    Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine
  • KATO Taku
    Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine
  • AIUCHI Daigo
    Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine
  • MIYATAKE Fumihito
    Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine
  • KOIKE Masanori
    Department of Agro-Environmental Science, Obihiro University of Agriculture and Veterinary Medicine
  • TOKUYASU Ken
    National Food Research Institute, National Agriculture and Food Research Organization

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Other Title
  • 異なる双子葉原料に由来するバイオエタノール蒸留廃液の肥料成分特性と圃場還元利用
  • コトナル ソウシヨウ ゲンリョウ ニ ユライ スル バイオエタノール ジョウリュウ ハイエキ ノ ヒリョウ セイブン トクセイ ト ホジョウ カンゲン リヨウ

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Abstract

Fertilizer nutrient composition and nitrogen mineralization of distillation wastes discharged from bio-ethanol production made from different dicotyledonous materials (sweet potato, potato, and sugar beet) were investigated. Also, the effects of their arable land application on crop growth and nutrient uptake through pot and field experiments were examined. The distillation wastes from bio-ethanol production contained high concentration of fertilizer macro and micro nutrients which were available for crop plants. The nitrogen mineralization and nitrification processes were distinctly influenced by raw materials. Waste application for spinach in the pot experiment indicated that the wastes were effective to supply alternative fertilizer nutrients and fertilizer efficiencies of phosphate and potassium in the wastes were more than 100 %. The alternative effects of the distillation wastes made from starch-potato upon field application for food-potato production were also observed distinctly, suggesting that the wastes from bio-ethanol production should be used effectively through arable land application.

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