Sources of Nutrients in the Nation's Watersheds


Richard A. Smith and Richard B. Alexander
U.S. Geological Survey
Reston, Virginia 20192

Managing Nutrients and Pathogens from Animal Agriculture
Proceedings from the Natural Resource, Agriculture, and Engineering Service
Conference for Nutrient Management Consultants, Extension Educators, and Producer Advisors
March 28-30, 2000, Camp Hill, Pennsylvania

A summary of major nutrient source contributions to streams in hydrologic cataloging units of the conterminous United States:
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