Abstract
ABSTRACT HYDRAULIC and soil loss variables were measured under simulated rainfall conditions at selected downslope distances on plots with corn residue rates ranging from 0.00 to 6.73 t/ha. Application of corn residue produced substantial reductions in runoff rate, runoff velocity, sediment concentration and soil loss rate along the entire slope length. On those plots subject to rilling, runoff rate, sediment concentration and soil loss rate usually increased with downslope distance. Rill and interrill sediment concentration and soil loss rate were also measured at selected slope lengths. Interrill sediment concentration changed little with downslope distance while greater interrill soil loss rates were observed with increasing slope length. Rill sediment concentration and soil loss rate increased rapidly near the bottom of the plots.
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