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Change in soil hardness and gravimetric soil moisture content with soil depth on a: Calcic Solonetz 2005 (CS5); Calcic Lixisol 2005 (CL5); Calcic Lixisol, ripped 2006 (Clu6); Calcic Lixisol, unripped 2006 (CLr6); Calcic Solonetz 2006 (CS6); and Calcic Lixisol 2006 (CL6). Bars are the standard error. Modified from Botwright Acuña and Wade (2012) with permission from the publisher.
