Another likely source would be Hardy Vogtmann from Kassel, Germany.
He and his associates have published extensively (although almost
entirely in German) in many facets of organic farming, and a Science
Citations Index look under his name would doubtless soon come up with
some good insights into nutritional value. However, the English text
may well be limited to the Abstract.
I too would like to see this subject extended a bit on the net. Ann
Dr. E. Ann Clark
University of Guelph
Guelph, ON N1G 2W1
Phone: 519-824-4120 Ext. 2508
FAX: 519 763-8933