Overview of Mycorrhizal Symbioses
 

This is from the folks at Penn State and is a good read even though it gets a little technical in some places. Good stuff on uptake and transfer of nurtients, Carbon usage, Interactions with other soil organisms and soil disturbance and it's effect on soil organisms. Ami

[url]http://cropsoil.psu.edu/sylvia/mycorrhiza[/url]