Full TGIF Record # 115083
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DOI:10.1081/PFC-120016603
Web URL(s):http://www.informaworld.com/smpp/section?content=a713631409&fulltext=713240928
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Publication Type:
i
Report
Author(s):Fomsgaard, Inge S.; Spliid, Niels Henrik; Felding, Gitte
Author Affiliation:Fomsgaard and Spliid: Danish Institute of Agricultural Sciences, Research Centre Flakkebjerg, Slagelse, Denmark; Felding: Geological Survey of Denmark and Greenland, Thoravej, Copenhagen NV, Denmark
Title:Leaching of pesticides through normal-tillage and low-tillage soil - a lysimeter study. II. Glyphosate
Article Series:Leaching of pesticides through normal-tillage and low-tillage soil - a lysimeter study
Source:Journal of Environmental Science and Health: Part B: Pesticides, Food Contaminants, and Agricultural Wastes. Vol. B38, No. 1, January 2003, p. 19-35.
# of Pages:17
Publishing Information:New York: Marcel Dekker
Keywords:TIC Keywords: Glyphosate; Herbicides; Leaching; Groundwater; Groundwater contamination; Lysimeters; Soil types; Spraying; Drainage water
Abstract/Contents:"Glyphosate is a widely used non-selective herbicide. Leaching of glyphosate (N-(phosphonomethyl)glycine) and/or its metabolite AMPA (aminomethylphosphonic acid) was studied in four lysimters, two of them being replicates from a low-tillage field (lysimeter 3 and 4), the other two being replicates from a normal tillage field (lysimeter 5 and 6). In both cases the soil was a sandy loam soil with 13-14% clay. The lysimeters had a surface area of 0.5 m2 and a depth of 110 cm. Lysimeter 3 and 4 were sprayed with a mixture of 14C-labelled glyphosate and unlabelled glyphosate, while lysimeter 5 and 6 were sprayed with unlabelled glyphosate. The spraying took place September 18, 1997. The total amount of glyphosate sprayed onto each lysimeter was 40 mg, corresponding to 0.8 kg active ingredient per ha. The lysimeters were installed in an outdoor system in Research Centre Flakkebjerg and were thus exposed to normal climate conditions of the area. A mean of 260 l drainage water were collected from lysimeter 3 and 4 and a mean of 375 litres from lysimeter 5 and 6. The mean yearly concentration of leached glyphosate and/or AMPA was significantly below 0.1 μg/1 from both sets of lysimeters, and thus no significant difference between the two lysimeter sets was shown. However, in both sets of lysimeters several single findings at concentrations above 0.1 μg/1 was seen, which might be due to the leaching of particle-bound compounds. A significant difference between the soil residual concentrations of AMPA was seen,the higher concentration was found in the set of lysimeterw where low-tillage had been practiced and where Round Up had been used several times in the years before sampling of the lysimeter soil."
Language:English
References:13
See Also:See also part 1 "Leaching of pesticides through normal-tillage and low-tillage soil - a lysimeter study. I. Isoproturon" Journal of Environmental Science and Health: Part B: Pesticides, Food Contaminants, and Agricultural Wastes, B38(1) Janauary 2003, p. 1-18 R=115064 R=115064
Note:Tables
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ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Fomsgaard, I. S., N. H. Spliid, and G. Felding. 2003. Leaching of pesticides through normal-tillage and low-tillage soil - a lysimeter study. II. Glyphosate. J. Environ. Sci. Health. B38(1):p. 19-35.
Fastlink to access this record outside TGIF: https://tic.msu.edu/tgif/flink?recno=115083
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DOI: 10.1081/PFC-120016603
Web URL(s):
http://www.informaworld.com/smpp/section?content=a713631409&fulltext=713240928
    Last checked: 07/08/2008
    Access conditions: Item is within a limited-access website
http://www.informaworld.com/smpp/ftinterface~content=a713631409~fulltext=713240930
    Last checked: 07/08/2008
    Requires: PDF Reader
    Access conditions: Item is within a limited-access website
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MSU catalog number: QH 545 .P4 J6
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