The link below is from a presentation given by Dr. Tom Jensen from IPNI about the nutrient density of wheat grown in five countries. Those countries are India, USA, Russia, Canada and China. When it comes to nutreint dense food, where do we in Alberta stack up against other countries? Well, it depends on the nutrient. 

See results here: http://beyondagronomy.com//cmsFiles/documents/document56fad017a105e.pdf

Steve