Mulches can be effective for reducing sediment loss and erosion from forest harvesting activities. This study evaluates the use of rice straw and sawdust as mulch covers for skid trails on clay loam soil. The treatments with three replications each included combinations of two levels of slope gradient (≤ 20% and > 20%), three types of mulch cover (bare soil, sawdust, and rice straw cover), three levels of mulching application...