Soil responses to non-nitrogenous amendments in a nitrogen-saturated temperate forest: an unexpected decrease in methane oxidation after phosphorus and lime addition

Carolyn L. Winsborough; Sean C. Thomas; Nathan Basiliko

doi:10.1139/cjss-2017-0023

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Carolyn L. Winsborough,^1,* Sean C. Thomas,² Nathan Basiliko^1,**,***

¹aDepartment of Geography, University of Toronto Mississauga, Mississauga, ON L5L 1C6, Canada.
²bFaculty of Forestry, University of Toronto, Toronto, ON M5S 3B3, Canada.

^*Corresponding author: Carolyn L. Winsborough (email: c.winsborough@mail.utoronto.ca).
^**Present address: Department of Biology and the Vale Living with Lakes Centre, Laurentian University, Sudbury, ON P3E 2C6, Canada.
^***Nathan Basiliko currently serves as an Associate Editor; peer review and editorial decisions regarding this manuscript were handled by Jean-Philippe Bellenger.

Abstract

We measured soil greenhouse gas fluxes and nutrient pools in a nitrogen (N)-polluted north-temperate forest and report relatively small N₂O effluxes and high CH₄ uptake. Six years after application, non-N fertilizers (P K, lime) did not significantly reduce soil respiration or increase N₂O efflux; however, rates of CH₄ oxidation were significantly suppressed.

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Carolyn L. Winsborough, Sean C. Thomas, and Nathan Basiliko "Soil responses to non-nitrogenous amendments in a nitrogen-saturated temperate forest: an unexpected decrease in methane oxidation after phosphorus and lime addition," Canadian Journal of Soil Science 97(4), 796-800, (28 July 2017). https://doi.org/10.1139/cjss-2017-0023

Received: 7 February 2017; Accepted: 1 June 2017; Published: 28 July 2017