Organic outperforms conventional as well as GM over time – and is more profitable even when discounting the premium usually paid for organic produce (because of lower input costs, among other things).

http://www.thestarphoenix.com/business/Study+debunks+myths+organic+farms/5462520/story.html

The results are in from a 30-year side-by-side trial of conventional and organic farming methods at Pennsylvania’s Rodale Institute. Contrary to conventional wisdom, organic farming outperformed conventional farming in every measure.