Full TGIF Record # 237820
Item 1 of 1
DOI:10.2134/jeq2013.07.0268
Web URL(s):https://www.dl.sciencesocieties.org/publications/jeq/articcles/43/1/379
    Last checked: 11/02/2016
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https://www.dl.sciencesocieties.org/publications/jeq/pdfs/43/1/379
    Last checked: 11/02/2016
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Publication Type:
i
Refereed
Author(s):Matteson, Audrey R.; Gannon, Travis W.; Jeffries, Matthew D.; Haines, Stephanie; Lewis, Dustin F.; Polizzotto, Matthew L.
Author Affiliation:Matteson, Haines, and Polizzotto: Dep. of Soil Science; Gannon, Jeffries, and Lewis: Dep. of Crop Science, North Carolina State Univ., Raleigh, NC
Title:Arsenic retention in foliage and soil after monosodium methyl arsenate (MSMA) application to turfgrass
Section:Technical reports: Heavy metals in the environment
Other records with the "Technical reports: Heavy metals in the environment" Section
Source:Journal of Environmental Quality. Vol. 43, No. 1, January/February 2014, p. 379-388.
Publishing Information:Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America
# of Pages:10
Related Web URL:https://www.dl.sciencesocieties.org/publications/jeq/abstracts/43/1/379
    Last checked: 11/02/2016
    Notes: Abstract only
Keywords:TIC Keywords: Arsenic; Environmental impact; Fate; Groundwater contamination; Health concerns; Leaching; MSMA; Pesticide usage legislation; Potable water; Surface runoff; Toxicological assessment
Abstract/Contents:"Monosodium methyl arsenate (MSMA) is a commonly used herbicide for weed control in turfgrass systems. There is concern that arsenic from applied MSMA could leach to groundwater or run off into surface water, thereby threatening human and ecosystem health. The USEPA has proposed a phase-out of the herbicide but is seeking additional research about the toxicity and environmental impacts of MSMA before establishing a final ruling. Little research has systematically investigated MSMA in field-based settings; instead, risks have been inferred from isolated field measurements or model-system studies. Accordingly, the overall goal of this study was to quantify the fate of arsenic after MSMA application to a managed turfgrass system. After MSMA application to turfgrass-covered and bareground lysimeters, the majority of arsenic was retained in turfgrass foliage and soils throughout year-long experiments, with 50 to 101% of the applied arsenic recovered in turfgrass systems and 55 to 66% recovered in bareground systems. Dissolved arsenic concentrations from 76.2-cm-depth pore water in the MSMA-treated soils were consistently <2 μg L-1, indistinguishable from background concentrations. As measured by adsorption isotherm experiments, MSMA retention by the sandy soil from our field site was markedly less than retention by a washed sand and a clay loam. Collectively, these results suggest that under aerobic conditions, minimal arsenic leaching to groundwater would occur after a typical application of MSMA to turfgrass. However, repeated MSMA application may pose environmental risks. Additional work is needed to examine arsenic cycling near the soil surface and to define arsenic speciation changes under different soil conditions."
Language:English
References:52
Note:Maps
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Matteson, A. R., T. W. Gannon, M. D. Jeffries, S. Haines, D. F. Lewis, and M. L. Polizzotto. 2014. Arsenic retention in foliage and soil after monosodium methyl arsenate (MSMA) application to turfgrass. J. Environ. Qual. 43(1):p. 379-388.
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DOI: 10.2134/jeq2013.07.0268
Web URL(s):
https://www.dl.sciencesocieties.org/publications/jeq/articcles/43/1/379
    Last checked: 11/02/2016
    Access conditions: Item is within a limited-access website
https://www.dl.sciencesocieties.org/publications/jeq/pdfs/43/1/379
    Last checked: 11/02/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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