Full TGIF Record # 95183
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Web URL(s):http://www.tandfonline.com/doi/pdf/10.1081/PFC-120035923
    Last checked: 10/09/2015
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Publication Type:
Author(s):Picton, Paula; Farenhorst, Annemieke
Author Affiliation:Department of Soil Science, University of Manitoba, Winnipeg, Canada
Title:Factors influencing 2,4-D sorption and mineralization in soil
Source:Journal of Environmental Science and Health: Part B: Pesticides, Food Contaminants, and Agricultural Wastes. Vol. B39, No. 3, May 2004, p. 367-379.
# of Pages:13
Publishing Information:New York: Marcel Dekker
Keywords:TIC Keywords: 2,4-D; Sorption; Mineralization; Pesticide fate; Half-life; Physical properties of soil; Nitrogen
Abstract/Contents:"This study quantified 2,4-D [(2,4-dichlorophenoxy)acetic acid] sorption and mineralization rates in five soils as influenced by soil characteristics and nutrient contents. Results indicated that 2,4-D was weakly sorbed by soil, with Freundlich distribution coefficients ranging from 0.81 to 2.89 μg1-1/ng-1mL1/n. First-order mineralization rate constants varied from 0.03 to 0.26, corresponding to calculated mineralization half-lives of 3 and 22 days, respectively. Herbicide sorption generally increased with increasing soil organic carbon content, but the extent of 2,4-D sorption per unit organic carbon varied among the soils due to differences in soil pH, clay content and/or organic matter quality. Herbicide mineralization rates were greater in soils that sorbed more 2,4-D per unit organic carbon, and that had greater soil nitrogen contents. We conclude that the effect of sorption on herbicide degradation cannot be generalized without a better understanding of the effects of soil characteristics and nutrient content on herbicide behavior in soil."
Includes map, "Geographical location of the five sampling sites," p. 369
See Also:Other items relating to: 2, 4 - D in Turf
ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Picton, P., and A. Farenhorst. 2004. Factors influencing 2,4-D sorption and mineralization in soil. J. Environ. Sci. Health. B39(3):p. 367-379.
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    Last checked: 10/09/2015
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MSU catalog number: QH 545 .P4 J6
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