Sediment removal by prairie filter strips in row-cropped ephemeral watersheds
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Native prairie filter strips reduce runoff from hillslopes under annual row-crop systems in Iowa, USA
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FAQ: How long will the prairie strips work?
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How long will the prairie strips work? Won't dirt pile up quickly above the prairie strip?
As water moves downslope in a field and encounters the prairie strips, there will be greater resistance to flow and the surface runoff water will slow down. When this water slows, some of the material it is carrying will be deposited. This generally occurs a few feet into the leading edge of the strip or immediately upslope of the strip.
The Influence of Prairie Strips Sown in Midwestern Corn and Soybean on Sediment Discharge
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