Enhanced root exudation induces microbial feedbacks to N cycling in a pine forest under long-term CO2 fumigation.
Ecol Lett. 2011 Feb; 14(2):187-94
Christian Koerner
17 May 2011
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Confirmation, New Finding
This is an exceptionally important study, illustrating that carbon overflow responses under elevated CO2 in the form of root exudates stimulates the nitrogen cycle and the break down of humus (priming effect).
Although not the first hint in this direction, this data set from a long-term CO2 enrichment experiment with conifers is...
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