Phosphorus Transport from Delaware's Rural Watershed

by William F. Ritter, Univ of Delaware, Newark, United States,

Document Type: Proceeding Paper

Part of: Irrigation and Drainage


Phosphorus loads were estimated for 62 watersheds. Major land uses in the watersheds were cropland and forestland. Annual phosphorus loads varied from 0.42 to 1.19 kg/ha. Watersheds with over 60% cropland had higher phosphorus loading rates than watersheds with more than 40% forestland. Poultry production in the watershed had some influence on the phosphorus loading rate.

Subject Headings: Loading rates | Water quality | Water pollution | Water resources | Water supply systems | Phosphorus | Rural areas | Watersheds | Delaware | United States

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