Just found this.

Microbial activity is more important in maintaining soil health and its natural fertility than previously thought and a new technique to visualise soil structure will be one of the presentations at the launch of Agri-Tech East’s new Soil Health Special Interest Group at NIAB in Cambridge on the 8th September.

More details:

http://www.farmingfutures.org.uk/blog/exploring-new-ideas-about-soil

Adam

--
"In order to change an existing paradigm you do not struggle to try and change the problematic model. You create a new model and make the old one obsolete.
That, in essence, is the higher service to which we are all being called."
~ Buckminster Fuller ~