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Per Bengtson, Jason Barker and Sue J. Grayston Evidence of a strong coupling between root exudation, C and N availability, and stimulated SOM decomposition caused by rhizosphere priming effects Ecology and Evolution 2

Article first published online: 5 JUL 2012 | DOI: 10.1002/ece3.311

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The objective of this experiment was to identify links between plant C exudation and belowground C and N turnover caused by rhizosphere priming effects. Our findings suggest that increased belowground allocation of plant C results in a massive stimulation of soil organic matter decomposition, with concurrent release of plant available N. The increase could be assigned to rhizosphere priming effects, and the extent of priming seems to be intimately linked to C and N availability.

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