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The nature of soil organic carbon stocks in a tree-based intercropping system in southwestern Ontario

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dc.contributor.advisor Voroney, Paul
dc.contributor.author Coleman, Robyn
dc.date.accessioned 2015-01-07T20:43:48Z
dc.date.available 2015-01-07T20:43:48Z
dc.date.copyright 2015-01
dc.date.created 2014-10-30
dc.date.issued 2015-01-07
dc.identifier.uri http://hdl.handle.net/10214/8676
dc.description.abstract This thesis provides an update on the nature of the soil organic carbon pools in a tree-based intercropping system 25 years after establishment. Soil samples were collected in Summer 2012, Fall 2012 and Spring 2013 to quantify soil organic carbon stocks within soils planted with hybrid poplar (Populus spp.), red oak (Quercus rubra), black walnut (Juglans nigra) and Norway spruce (Picea abies). Results showed that spatial distribution of dissolved organic carbon was associated with litterfall distribution of each tree species. Cores were collected in Summer 2012 to investigate the spatial orientation of soil organic carbon content (SOC) of soils planted with white cedar (Thuja occidentalis), black walnut and Norway spruce. SOC content of soils surrounding walnut, cedar and spruce were 1.62%, 1.73% and 1.58%, respectively. Higher SOC content could be attributed to the higher density tree spacing of cedar (1 m). Soils contained 2.06% SOC within the conventional cropping system. en_US
dc.description.sponsorship Agricultural Greenhouse Gases Program - Agriculture and Agri-food Canada en_US
dc.language.iso en en_US
dc.rights Attribution 2.5 Canada *
dc.rights.uri http://creativecommons.org/licenses/by/2.5/ca/ *
dc.subject soil organic carbon en_US
dc.subject tree-based intercropping en_US
dc.subject soil microbial biomass en_US
dc.title The nature of soil organic carbon stocks in a tree-based intercropping system in southwestern Ontario en_US
dc.type Thesis en_US
dc.degree.programme Environmental Sciences en_US
dc.degree.name Master of Science en_US
dc.degree.department School of Environmental Sciences en_US


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Attribution 2.5 Canada Except where otherwise noted, this item's license is described as Attribution 2.5 Canada