Nitrate occurrence in U.S. waters (and related questions) :
a reference summary of published sources from an agricultural perspective /
prepared by John Fedkiw.

Description

Main Author: Fedkiw, John.
Related Names: United States. Dept. of Agriculture.
Language(s): English
Published: Washington, D.C. : U.S. Dept. of Agriculture, [1991]
Subjects: Nitrates > Nitrates / Environmental aspects > Nitrates / Environmental aspects / United States.
Nitrates > Nitrates / Physiological effect.
Agricultural pollution > Agricultural pollution / United States.
Water > Water / Pollution > Water / Pollution / United States.
Note: "September 1991."
Shipping list no.: 91-084-P.
Physical Description: iii, 35 p. ; 28 cm.
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