Fig. 2. Mean soil organic C concentration at three depths for moldboard plow (MP), no-till with no beef cattle manure (NT), no-till with beef cattle manure (NTm), pasture, and forest long-term management practices at the Northern Appalachian Experimental Watershed in Coshocton County, OH. The LSD bars at a given soil depth indicate the significance of soil organic C concentration among the five management practices.