Full TGIF Record # 92578
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Web URL(s):http://www.jswconline.org/content/58/6/359.full.pdf+html
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http://www.jswconline.org/content/58/6/359.full.pdf
    Last checked: 08/13/2013
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Publication Type:
i
Professional
Author(s):Mickelson, S. K.; Baker, J. L.; Ahmed, S. I.
Author Affiliation:Mickelson: Associate Professor; Baker: Professor; Ahmed: Postdoctoral Research Associate, Department of Agricultural and Biosystems Engineering, Iowa State University, Ames, Iowa
Title:Vegetative filter strips for reducing atrazine and sediment runoff transport
Section:Research
Other records with the "Research" Section
Source:Journal of Soil and Water Conservation. Vol. 58, No. 6, November/December 2003, p. 359-367.
Publishing Information:Ankeny, IA: Soil and Water Conservation Society
# of Pages:9
Related Web URL:http://www.jswconline.org/content/58/6/359.abstract
    Last checked: 08/13/2013
    Notes: Abstract only
Keywords:TIC Keywords: Filter strips; Atrazine; Surface runoff; Precipitation
Abstract/Contents:"A rainfall simulation study was performed on twelve vegetative filter strips (VFS), six 1.5 x 4.6 m (5 x 15 ft) long, and six 1.5 x 9.1 m (5 x 30 ft) long, to determine: (1) the effects of vegetative filter strips on atrazine and sediment transport in runoff inflow with an average of 7,650 mg L-1 sediment (WS) and no-sediment (NS), and (2) the effects of vegetative filter strips length (4.6 and 9.1 m) (15 and 30 ft), and thus area ratio (with constant width), on atrazine and sediment transport. Herbicide runoff losses were simulated by adding a dilute atrazine solution as inflow (with sediment and without sediment) to the upper end of the vegetative filter strips. The with-sediment treatment was used to represent conventional tillage, while the without sediment treatment prepresented no-tillage. Atrazine, and bromide (BrR-) as a hydrologic tracer, were dissolved in the inflow to the vegetative filter strips at a concentration of approximately 1 and 23 mg L-1, respectively. The results showed that for the with-sediment inflow treatment, the 87% reduction in sediment transport for the 9.1 m (30 ft) vegetative filter strips was significantly (P = 0.05) greater than the 71% reduction for the 4.6 m (15 ft) vegetative filter strips. There was no significant difference in atrazine transport between the wiht-sediment and without-sediment treatments, but the 80% reduction in atrazine transport for the 9.1 m (30 ft) vegetative filter strips was significantly greater than the 31% reduction for the 4.6 m (15 ft) vegetative filter strips. Infiltration of inflow was a dominant factor in reducing atrazine transport with vegetative filter strips, and the Br- data showed that a higher proportion of inflow infiltrated than did rainfall."
Language:English
References:27
Note:Figures
Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Mickelson, S. K., J. L. Baker, and S. I. Ahmed. 2003. Vegetative filter strips for reducing atrazine and sediment runoff transport. J. Soil Water Conserv. 58(6):p. 359-367.
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Web URL(s):
http://www.jswconline.org/content/58/6/359.full.pdf+html
    Last checked: 10/01/2008
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
http://www.jswconline.org/content/58/6/359.full.pdf
    Last checked: 08/13/2013
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: S 622 .J65
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