Polyacrylamide Decreases Furrow Erosion

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by Thomas J. Trout,
R. D. Lentz,

Document Type: Proceeding Paper

Part of: Management of Irrigation and Drainage Systems: Integrated Perspectives

Abstract: Erosion from furrow irrigated land is a serious problem in southern Idaho and several other areas. Polyacrylamide, a very long chain polymer, increases aggregate stability and flocculates suspended sediments. It thus can potentially reduce furrow sediment detachment and transport. Recirculating infiltrometer studies showed that 0.5 kg/ha/irrigation of polyacrylamide applied with the irrigation water can dramatically reduce furrow erosion.

Subject Headings: Erosion | Sediment transport | Polymer | Flocculation | Suspended sediment | Furrow irrigation | Light rail transit | Idaho | North America | United States

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