Fig. 4. Isoproturon (IPU) and diflufenican (DFF) concentrations during runoff from 10-m2 plots for the three soil surface structures (n = 2). Note the logarithmic scale on the y axis.
Fig. 4. Isoproturon (IPU) and diflufenican (DFF) concentrations during runoff from 10-m2 plots for the three soil surface structures (n = 2). Note the logarithmic scale on the y axis.