Full TGIF Record # 148869
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DOI:10.2135/cropsci2008.05.0297
Web URL(s):https://dl.sciencesocieties.org/publications/cs/pdfs/49/2/704
    Last checked: 11/16/2016
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    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/articles/49/2/704
    Last checked: 11/16/2016
    Access conditions: Item is within a limited-access website
Publication Type:
i
Refereed
Author(s):Cummings, H. D.; Weber, J. B.; Yelverton, F. H.; Leidy, R. B.
Author Affiliation:Cummings: Department of Agribusiness, Agronomy, Horticulture, and Range Management, Tarleton State University, Stephenville, Texas; Weber and Yelverton: Crop Science Department; Leidy: Department of Molecular and Environmental Toxicology, North Carolina State University, Raleigh, North Carolina
Title:Downward mobility of 14C-labeled simazine in a bermudagrass system vs. a fallow soil system
Section:Turfgrass science
Other records with the "Turfgrass science" Section
Source:Crop Science. Vol. 49, No. 2, March/April 2009, p. 704-713.
Publishing Information:Madison, WI: Crop Science Society of America
# of Pages:10
Related Web URL:https://dl.sciencesocieties.org/publications/cs/abstracts/49/2/704
    Last checked: 11/16/2016
    Notes: Abstract only
Keywords:TIC Keywords: Carbon-14; Cynodon dactylon; Evapotranspiration; Leachates; Lysimeters; Mobility; Simazine; Soil properties
Abstract/Contents:"Pesticides applied to bermudagrass (Cynodon dactylon L.) can be captured by the canopy, absorbed by the roots, or bound in the thatch layer, which reduces the amount available to leach compared with a fallow soil system where pesticides may be applied directly to soil. 14C-Simazine was applied to dormant bermudagrass and fallow soil in lysimeters in a cold growth chamber (5°C) (cold-fallow soil) and to actively growing bermudagrass and fallow soil in lysimeters in a greenhouse (25°C) (warm-fallow soil) in April. Following clipping collection, lysimeters were irrigated with 5 cm of water every 3--4 d, and leachate was collected. After 25 d, lysimeters were divided into 2-cm increments from 0 to 10 cm, then 5-cm increments from 10 to 30 cm. Because of evapotranspiration, actively growing bermudagrass and warm-fallow soil yielded significantly less leachate than dormant bermudagrass and cold-fallow soil indicating less moisture is available for downward movement during summer. After the addition of 31 cm of irrigation, the greatest quantities of 14C-simazine were in the 0- to 2-cm increment for all treatments and decreased with depth. Although the greatest quantities of 14C-simazine in leachate occurred in dormant bermudagrass, the reached factor was greatest for cold-fallow soil (0.20), followed by dormant bermudagrass (0.17), warm-fallow soil (0.16), and actively growing bermudagrass (0.14). Therefore, simazine is least mobile in bermudagrass during summer and most mobile in fallow soil in winter."
Language:English
References:18
See Also:See also related abstract "Downward mobility of 14C-labeled simazine in a bermudagrass system compared with a fallow system" 2005 Annual Meeting Abstracts, 2005, p. [1] R=107688 R=107688
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Cummings, H. D., J. B. Weber, F. H. Yelverton, and R. B. Leidy. 2009. Downward mobility of 14C-labeled simazine in a bermudagrass system vs. a fallow soil system. Crop Sci. 49(2):p. 704-713.
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DOI: 10.2135/cropsci2008.05.0297
Web URL(s):
https://dl.sciencesocieties.org/publications/cs/pdfs/49/2/704
    Last checked: 11/16/2016
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
https://dl.sciencesocieties.org/publications/cs/articles/49/2/704
    Last checked: 11/16/2016
    Access conditions: Item is within a limited-access website
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