Evaluation of Fertilizer Value of Animal Cadavers for Agricultural Recycling

Evaluation of Fertilizer Value of Animal Cadavers for Agricultural Recycling

To evaluate fertilizer value of animal cadavers for agricultural recycling, fertilizer components of animal cadavers by pig and poultry were investigated using rendering and alkali (KOH) treatment methods. Total nitrogen concentrations in meat waste by pig and poultry using rendering treatment metho...

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Veröffentlicht in:Korean Journal of Soil Science and Fertilizer 2011-10, Vol.44 (5)
Hauptverfasser: Seo, D.C., Sunchon National University, Sunchon, Republic of Korea, Kang, S.W., Sunchon National University, Sunchon, Republic of Korea, Choi, I.W., Sunchon National University, Sunchon, Republic of Korea, Sung, H.H., National Institute of Animal Science, RDA, Suwon, Republic of Korea, Hur, T.Y., National Institute of Animal Science, RDA, Suwon, Republic of Korea, Yoo, J.Y., National Institute of Environmental Research, Incheon, Republic of Korea, Lee, Y.J., National Institute of Environmental Research, Incheon, Republic of Korea, Heo, J.S., Gyeongsang National University, Jinju, Republic of Korea, Kang, S.J., National Institute of Animal Science, RDA, Suwon, Republic of Korea, Cho, J.S., Sunchon National University, Sunchon, Republic of Korea
Format: Artikel
Sprache:kor
Schlagworte:
Animal cadavers
Fertilizer value
RECICLAJE
RECYCLAGE DES DECHETS
RECYCLING
Redering
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Zusammenfassung:To evaluate fertilizer value of animal cadavers for agricultural recycling, fertilizer components of animal cadavers by pig and poultry were investigated using rendering and alkali (KOH) treatment methods. Total nitrogen concentrations in meat waste by pig and poultry using rendering treatment method were 7.80% and 9.30%, respectively. Total nitrogen concentration in meat waste of pig by KOH treatment method was lower than that by rendering treatment method. Organic matter concentrations in meat waste of pig and poultry ranged 87.8~97.4%. Total phosphorus concentrations in bone waste of pig using rendering and KOH treatment methods ranged 5.59~11.18%. Animal cadavers contains nitrogen, phosphorus, potassium and other nutrients essential to plant growth. The results of this study suggest that animal cadavers can supply some of the nutrient requirements of crops and is a valuable fertilizer as well.
ISSN:0367-6315