Abstract
Crop furrow erosion is one of the main causes of land degradation in upland cropping areas. This study derived amethod to assess amounts of furrow erosion. The study combines theory with both flume and field plot experiments. The flumeexperimental results rendered a method for calculating potential sediment transport from a log-log relationship of a logisticcurve between sediment transport rate and stream power per unit area. Comparison of potential calculation results with fieldplot measurement data revealed that the field values were always less than the potential values. The relationship between laboratoryand field data was linear in log-log scale. Crop furrow erosion, therefore, can be assessed by two steps: (1) using a logisticrelationship to obtain potential values, and (2) using a linear log-log relationship to obtain field values.
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