By:

E.M. Thurman, D.A. Goolsby, M.T. Meyer, and D.W. Kolpin

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Abstract

Approximately three-fourths of all preemergent herbicides used in the United States are applied to row crops over a 12-state area, called the "corn belt" (I). The application of these compounds may cause widespread degradation of water quality (2). Because herbicides are water soluble, there is the potential for leaching into groundwater and surface water (3, 4), as well as aerial transport and Occurrence in precipitation (5). Monitoring studies in the Midwest have shown widespread detection of herbicides in groundwater and in surface water (3,4); however, little is known about the regional impact of herbicide application (6). The objective of our research was to assess the mag. nitude and persistence of herbicide runoff in the spring flush at the regional scale. 

Study Area

Additional publication details

Publication type:

Article

Publication Subtype:

Journal Article

Title:

Herbicides in surface waters of the midwestern United States: The effect of spring flush

Series title:

Environmental Science and Technology

DOI:

10.1021/es00022a018

Volume:

25

Issue:

10

Year Published:

1991

Language:

English

Publisher:

American Chemical Society

Publisher location:

Easton, PA

Contributing office(s):

Iowa Water Science Center

Description:

3 p.

Larger Work Type:

Article

Larger Work Subtype:

Journal Article

Larger Work Title:

Environmental Science and Technology

First page:

1794

Last page:

1796

Country:

United States

Online Only (Y/N):

N

Additional Online Files (Y/N):

N