U.S. flag

An official website of the United States government

Dot gov

Official websites use .gov
A .gov website belongs to an official government organization in the United States.

Https

Secure .gov websites use HTTPS
A lock ( ) or https:// means you’ve safely connected to the .gov website. Share sensitive information only on official, secure websites.

PubAg

Main content area

Search

2  Search Results

1 - 2 of 2
Number of results to display per page

Search Results

1. Seasonal occurrence and export of five herbicides from a North Carolina Coastal Plain watershed

Author:
Novak, J.M.; Watts, D.W.; Stone, K.C.; Johnson, M.H.
Source:
Transactions of the ASAE 2001 v.44 no.5 pp. 1201-1206
ISSN:
0001-2351
Subject:
water pollution; atrazine; cyanazine; agricultural land; herbicide residues; watersheds; losses from soil; streams; seasonal variation; metolachlor; alachlor; ametryn; coastal plains; North Carolina
Abstract:
... Herbicide detection in surface water sources has caused concern about contamination of these sources and adverse effects on human and aquatic health. Understanding surface water herbicide transport from agriculturally intensive watersheds is useful for development of herbicide best management practices to reduce off-site movement. The seasonal occurrence and load of five herbicides exported by a s ...
Handle:
10113/18427

2. Temporal Dynamics of Preferential Flow to a Subsurface Drain

Author:
D. B. Jaynes; S. I. Ahmed; K.-J. S. Kung; R. S. Kanwar
Source:
Soil Science Society of America journal 2001 v.65 no.5 pp. 1368-1376
ISSN:
0361-5995
Subject:
irrigation; subsurface drainage; tile drainage; temporal variation; drainage water; labeling techniques; herbicide residues; atrazine; bromides; alachlor; simulation models; Iowa
Abstract:
... We conducted a sequential tracer leaching study on a 24.4 by 42.7 m field plot to investigate the temporal behavior of chemical movement to a 1.2-m deep field drain during irrigation and subsequent rainfall events over a 14-d period. The herbicides atrazine [6-chloroN-ethyl-N′-(1-methylethyl)-1,3,5-triazine-2,4-diamine], and alachlor [2-chloro-N-(2,6-diethylphenyl)-N-(methoxymethyl)acetamide] alon ...
Handle:
10113/25962
DOI:
10.2136/sssaj2001.6551368x