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AMBIO

, Volume 41, Issue 8, pp 883–893 | Cite as

Phosphorus Flows to and from Swedish Agriculture and Food Chain

  • Kersti Linderholm
  • Jan Erik Mattsson
  • Anne-Marie Tillman
Report

Abstract

Phosphorus flows in Swedish agriculture and food chain were studied by material flow analysis. The system studied included agriculture, food consumption, related waste and wastewater from private households and municipal wastewater treatment plants. Swedish farmland had net annual phosphorus inputs of ~12 600 metric tons (4.1 kg P ha−1) in 2008–2010. The total import of phosphorus in food and feed to Sweden exceed imports of phosphorus in fertilizers. Despite strict animal density regulations relating to manure phosphorus content, phosphorus is accumulating on Swedish animal farms. The total quantity of manure produced greatly exceeds imported mineral phosphorus fertilizer and almost equals total phosphorus inputs to Swedish farmland.

Keywords

Fertilizer Manure Material flow analysis Sewage sludge Waste Wastewater 

Notes

Acknowledgments

Thanks to the Bergsten Foundation at The Royal Swedish Academy of Agriculture and Forestry for financial support, experts in industry and authorities for providing missing data, Rolf Spörndly for input on calculations on feed, and Ingrid Rydberg and Göte Bertilsson for remarks and encouragement.

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Copyright information

© Royal Swedish Academy of Sciences 2012

Authors and Affiliations

  • Kersti Linderholm
    • 1
    • 3
  • Jan Erik Mattsson
    • 1
  • Anne-Marie Tillman
    • 2
  1. 1.Department of AgrosystemsSwedish University of Agricultural Sciences, SLU AlnarpAlnarpSweden
  2. 2.Environmental Systems AnalysisChalmers University of TechnologyGothenburgSweden
  3. 3.BorlängeSweden

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