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Performance of Grass Barriers and Filter Strips under Interrill and Concentrated Flow

^a School of Environment and Natural Resources, The Ohio State University, 2021 Coffey Rd., Columbus, OH 43210-1085
^b Environmental Soil Science, Univ. of Missouri-Columbia, 302 Anheuser-Busch Natural Resources Building, Columbia, MO 65211

View larger version (25K): [in a new window]   Fig. 1. Reduction in (A) sediment mass, (B) organic N, and (C) NO3–N by distance from source area (0.7, 4, and 8 m) in (A) fescue filter strips under interrill flow (FS) and fescue filter strips under concentrated flow (CF-FS). Error bars represent the standard deviation of the mean (s/). Because there were no significant differences in sediment and nutrient reduction between interrill and concentrated flow within grass barriers, graphs were not depicted for the corresponding treatments.