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AgricultureAgricultural Engineering

Variations in Field-Scale Nitrogen and Phosphorus Concentrations in Runoff as a Function of Land-Use Practice

Authors: William F. James; Harry L. Eakin; Carlos E. Ruiz; John W. Barko; ENGINEER RESEARCH AND DEVELOPMENT CENTER VICKSBURG MS ENVIRONMENTAL LAB
Abstract:
The purpose of this research was to examine nitrogen and phosphorus concentrations in runoff at the field-scale level (i.e., homogeneous land-use plot) over a variety of land-use practices. Land-use practices included animal containment/barnyard areas, corn production fields, alfalfa and grass hayfields, Conservation Reserve Program (CRP) fields, and woodlots located in the upper Eau Galle River Watershed, west-central Wisconsin. The watershed is dominated by agricultural and dairy livestock land-use practices. Results from this study will be important in improving watershed modeling capabilities for predicting the runoff of nutrients from complex landscape mosaics.

Limitations: APPROVED FOR PUBLIC RELEASE
Description: Technical note
Pages: 22
Report Date: SEP 2004
Report Number: A339434
Keywords relating to this report:
*NITROGEN
*PHOSPHORUS
ALFALFA
CONCENTRATION_CHEMISTRY_
CONTAINMENT_GENERAL_
MOSAICS_DETECTORS_
NATURAL RESOURCES
NUTRIENTS
WATERSHEDS
WISCONSIN
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