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MANAGE "Measured Annual Nutrient loads from AGricultural Environments" Database

The primary objective of this effort was to compile measured annual nitrogen (N) and phosphorus (P) load data representing field-scale transport from agricultural land uses. Only measured annual N and P load data published in scientific peer-reviewed studies were included. Additional criteria for inclusion were: spatial scale (field- or farm-scale, minimum 0.009 ha), land use (homogeneous either cultivated agriculture or pasture/rangeland/hay), natural rainfall (not rainfall simulation), and temporal scale (minimum one year).

Visit the ARS website for background information and to download the manuscript.

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Location: (Any) Agassiz, British Columbia, Canada Agawam, OK Auburn, AL Baton Rouge, LA Belle Mina, AL Brown's Valley, CA Bushland, TX Chickasha, OK Coshocton, OH Cyril, OK Eastern SD El Reno, OK Ft. Cobb, OK Ft. Valley, Peach County, GA Holly Springs, MS Howard County, MD Indian River area, FL Keiser, AR Knox County, MO Lamberton, MN Lincoln, AR Lincoln, NE Middleton, WI Morris, MN Ninnekah, OK Northeast Alabama Ontario, Canada Pottawattamie County, IA Putnam County, GA Quebec City, Quebec, Canada Riesel, TX Saskatchewan, Canada Story County, IA Temple, TX Tifton, GA Treynor, IA Watkinsville, GA Waynesville, NC Woodward, OK

Years: equal to less than greater than

Min Watershed Size (ha): equal to less than greater than

Max Watershed Size (ha): equal to less than greater than

Download spreadsheet of results (CSV file)

Reference

Harmel, R.D., S. Potter, P. Casebolt, K. Reckhow, C.H. Green, and R.L. Haney. 2006. Compilation of measured nutrient load data for agricultural land uses in the United States. J. Amer. Water Resources Assoc. 42(5):1163-1178.