In fall 2011, a paired comparison of Graza radish and Tillage Radish® was established at the Allison Organic Research Farm (field 3-1) in southern Warren County, IL. The plots were planted to organic corn in 2012 as directly over the preceding radish rows as possible with the intention that the corn roots would benefit from close proximity to the radish root zones. This study analyzed corn yields and how they differed among the 2 radish treatments