Nitrate occurrence in U.S. waters (and related questions)
Subtitle: a reference summary of published sources from an agricultural perspective
By: prepared by John Fedkiw
Contributors: United States. Department of Agriculture
Publisher: U.S. Dept. of Agriculture
Published: 1991
Place of publication: Washington, D.C
Language: eng
Number of pages: 35
Subjects: Water; Physiological effect; Agricultural pollution; Nitrates; Pollution
Notes: "September 1991."

Includes bibliographical references (p. 33-35).