2009
DOI: 10.1016/j.geoderma.2008.12.006
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Glyphosate mobility in soils by phosphate application: Laboratory column experiments

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Cited by 27 publications
(32 citation statements)
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“…6 and Freundlich parameters indicate that adsorption is rather similar at pH 4.5 and 6.0, and that it decreases at pH 8.0. The results are comparable to adsorption isotherms on soils reported by (de Jonge et al, 2001;McConnell and Hossner, 1985;Pessagno et al, 2008;Zhao et al, 2009), who showed similar pH effects on glyphosate adsorption.…”
Section: Adsorption Isotherms and Other Possible Uses Of The Methodssupporting
confidence: 89%
“…6 and Freundlich parameters indicate that adsorption is rather similar at pH 4.5 and 6.0, and that it decreases at pH 8.0. The results are comparable to adsorption isotherms on soils reported by (de Jonge et al, 2001;McConnell and Hossner, 1985;Pessagno et al, 2008;Zhao et al, 2009), who showed similar pH effects on glyphosate adsorption.…”
Section: Adsorption Isotherms and Other Possible Uses Of The Methodssupporting
confidence: 89%
“…Within the soils pH range (between 4 and 8), glyphosate is found in its anionic form and has a high affinity for Al 3+ and Fe 3+ trivalent cations (Sheals et al, 2002;Gimsing and Borggaard, 2007;Barja and Dos Santos Afonso, 2005). As the soil pH increases, glyphosate's adsorption decreases (Zhao et al, 2009). Additionally, inorganic phosphate competes strongly for the same adsorption sites, thus increasing glyphosate's mobility in soil (Prata et al, 2005).…”
Section: Introductionmentioning
confidence: 99%
“…Para cada solo foi conduzida uma coluna, sem emprego de repetição. Dada a natureza experimental complexa do deslocamento miscível, esse procedimento tem sido utilizado quando o interesse for avaliar qualitativamente a tendência do fenômeno Zhao et al, 2009;Jellali et al, 2010).…”
Section: Methodsunclassified