JEQ -- Novak and Watts 34 (5): 1820 Figure IG2

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Fig. 2. Linear regression relationship between reductions in Mehlich-3 phosphorus (M3P) concentration in Soil 1 and percent water treatment residuals (WTR) (0–15% WTR) incorporation. The horizontal line represents proposed maximum soil Mehlich-3 phosphorus (M3P) concentration threshold.