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Fig. 3. Soil pH and Koc values for 2,4-D in an Ap-horizon along a 360-m transect running west to east in an agricultural field near Miami, Manitoba. Details on this study can be found in Gaultier et al. (2006). Data points are mean values (duplicates). The sample numbers 1, 2, 12, 20, 34, and 62 were further analyzed (triplicates) for soil organic matter characteristics (Farenhorst et al., 2005). The soil organic carbon content of these samples is given in parentheses after their numbers.
