, Volume 4, Issue 1, pp 41–60 | Cite as

Dynamics of soil organic phosphorus

  • J. W. B. Stewart
  • H. Tiessen


The transformations of soil organic phosphorus are described and organized in a conceptual model. Microbial uptake of P and its subsequent release and redistribution play a central role in the soil organic P cycle. Interactions with soil minerals and stabilization of organic matter and associated P in organo-mineral complexes determine the persistence and buildup of organic P through soil development, in different ecosystems and under varying management. An understanding of organic P turnover in soils will greatly aid assessment of P fertility in many agricultural and native systems.

Key words

microbial P mineralization immobilization 


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Copyright information

© Martinus Nijhoff Publishers 1987

Authors and Affiliations

  • J. W. B. Stewart
    • 1
  • H. Tiessen
    • 2
  1. 1.Professor, Dept. Soil ScienceUniversity of SaskatchewanSaskatoonCanada
  2. 2.Research Scientist, Saskatchewan Institute of PedologyUniversity of SaskatchewanSaskatoonCanada

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