Tribune photo by Aaron Piper/ Ed Burns, owner of Nature's Way, an organic fertilizer producer, gives members of the Greater Seymour Chamber of Commerce Agricultural/Industrial Tour statistics on the use of nitrate fertilizers on Wednesday. Nature's Way was one of two stops on the 2013 Greater Seymour Chamber of Commerce Ag/Industrial Tour. This year the tour visited industrial stops, including Nature's Way, an organic fertilizer producer and R.R. Donnelly, printing plant.