A sample of rainfall events was monitored at each site. This sample included the
complete range of rainfall magnitudes and intensities as well as a good seasonal
distribution of events in relation to cropping cycles and changing antecedent soil
moisture conditions (an example is shown in Fig. 6). Between 70 and 78 events
and a record was kept of farmers’ management practices.
were calibrated each season. After storms the runoff volume was measured and a
well-mixed sample of suspended sediment collected, filtered in the field, dried and
weighed