Full TGIF Record # 152235
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DOI:10.2135/cropsci2008.09.0541
Web URL(s):https://dl.sciencesocieties.org/publications/cs/articles/49/4/1481
    Last checked: 11/16/2016
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https://dl.sciencesocieties.org/publications/cs/pdfs/49/4/1481
    Last checked: 11/16/2016
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Publication Type:
i
Refereed
Author(s):Hixson, Adam C.; Shi, Wei; Weber, Jerome B.; Yelverton, Fred H.; Rufty, Thomas W.
Author Affiliation:Hixson, Weber, Yelveron and Rufty: Crop Science Department; Shi: Soil Science Department, North Carolina State University, Raleigh, North Carolina
Title:Soil organic matter changes in turfgrass systems affect binding and biodegradation of simazine
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 49, No. 4, July/August 2009, p. 1481-1488.
Publishing Information:Madison, WI: Crop Science Society of America
# of Pages:8
Related Web URL:https://dl.sciencesocieties.org/publications/cs/abstracts/49/4/1481
    Last checked: 11/16/2016
    Notes: Abstract only
Keywords:TIC Keywords: Binding; Biodegradation; Organic matter; Simazine; Soil sampling
Abstract/Contents:"Concern about pesticide losses from maintained turfgrass areas led us to examine the fate of the triazine herbicide simazine in turfgrass systems and, specifically, interactions between simazine binding to soil organic matter and biodegradation. Soil samples were removed from turfgrass systems of different ages, placed in microcosms, conditioned as sterile or nonsterile, and exposed to 14C-simazine. At seven sampling intervals, the soil was extracted and 14C was separated into three pools; bound, extractable, and CO2. With sterilized surface soil (0-5 cm), 52, 70, and 71% of applied 14C-simazine was bound to soil from the 4-, 21-, and 99-yr-old turfgrass systems, respectively, after 16 wk. With nonsterile conditions, biodegradation became dominant, as 60 to 80% of the 14C was recovered in the CO2 fraction and binding was held at ~20%. Among all soils evaluated, bound 14C and 14CO2 production was lower in subsurface soil (5-15 cm) from the 4- and 21-yr-old turfgrass systems. 14C-simazine disappearance time (DT50) values under nonsterile conditions ranged from 0.9 to 5.8 wk. Results indicate that turfgrass systems have a relatively low amount of simazine available for leaching as the systems age due to a large capacity for biodegradation and binding to organic matter."
Language:English
References:42
Note:Tables
Graphs
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Hixson, A. C., W. Shi, J. B. Weber, F. H. Yelverton, and T. W. Rufty. 2009. Soil organic matter changes in turfgrass systems affect binding and biodegradation of simazine. Crop Sci. 49(4):p. 1481-1488.
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DOI: 10.2135/cropsci2008.09.0541
Web URL(s):
https://dl.sciencesocieties.org/publications/cs/articles/49/4/1481
    Last checked: 11/16/2016
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/pdfs/49/4/1481
    Last checked: 11/16/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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