Accelerated Degradation and Mineralization of Atrazine in Surface and Subsurface Soil Materials

Vanderheyden, Vincent; Debongnie, Philippe; Pussemier, Luc

doi:10.1002/(sici)1096-9063(199703)49:3<237::aid-ps511>3.3.co;2-w

Cited by 27 publications

(38 citation statements)

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“…Barriuso and Houot (1996) first reported rapid mineralization of atrazine from French soils. Accelerated atrazine degradation has also been reported in Belgium Vanderheyden et al 1997), France (Abdelhafid et al 2000;Yassir et al 1999), Canada, , and Argentina (Hang et al 2003), as well as in the United States in Ohio (Ostrofsky et al 1997), Mississippi (Zablotowicz et al 2006, and Colorado (Shaner and Henry 2007). The atrazine use histories of these studies were quite variable, and many had different combinations of tillage systems, soils, cropping histories, fertilizer regimes, and so forth.…”

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confidence: 90%

Effect of Soil pH and Previous Atrazine Use History on Atrazine Degradation in a Tennessee Field Soil

2010

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Field studies examined the interaction of soil pH with differing levels of atrazine exposure over 4 yr. Soil pH was 5.2 to 7.1 with atrazine exposures ranging from none (0) to eight applications over a 4-yr period (for each year, one application at planting and one early postemergence). The entire plot area was uniformly managed to reduce potential confounding effects due to cropping history, tillage, and other factors. Soil from all plots previously treated with atrazine displayed rapid atrazine dissipation, with half-lives under laboratory conditions being less than 4 d in plots of pH 5.5 or greater and less than 8 d in the field. Soil pH had a marked effect, with slower atrazine dissipation in those plots that had a pH 5.5 or less. This effect of pH and previous atrazine history was consistent in laboratory and field environments. Implications of these findings include probable reduction in weed control due to more rapid atrazine dissipation and potentially reduced loadings into surface water due to this phenomenon.

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confidence: 90%

Effect of Soil pH and Previous Atrazine Use History on Atrazine Degradation in a Tennessee Field Soil

2010

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“…Coinciding with the isolation and identification of bacteria with the ability to mineralize ring‐labeled‐atrazine, enhanced degradation of atrazine in agricultural soils was reported in several countries, e.g. Argentina, Belgium, Canada, France and the United States 8–15. The development of enhanced atrazine degradation has been positively correlated with atrazine exposure history and soil pH 8–10, 12–15.…”

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confidence: 98%

Enhanced degradation of atrazine under field conditions correlates with a loss of weed control in the glasshouse

Krutz

Zablotowicz

Reddy

et al. 2006

Pest Management Science

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“…Most dissipation occurred during the Wrst 3 weeks of incubation since only 2-5% of the added atrazine in MA, ME and MP soils and 28-30% of atrazine residues were recovered in the extractable fraction. Accelerated atrazine dissipation, although to a lesser degree, has also been reported in soils with a long history of continuous maize planting and atrazine application (Barriuso and Houot 1996;Ostrofsky et al 1997;Vanderheyder et al 1997). No appreciable variations with incubation time were observed between 3 and 6 weeks in MA, MP and ME soils, whereas values decreased slightly with incubation time in G and C soils.…”

Section: Resultsmentioning

confidence: 77%

Extractable atrazine and its metabolites in agricultural soils from the temperate humid zone

Mahía

Martín

Díaz-Raviña

2008

Environ Geochem Health

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Extractable atrazine and its metabolites (hydroxyatrazine, deethylatrazine and deisopropylatrazine) were evaluated in agricultural soils from the temperate humid zone (Galicia, NW Spain) under laboratory conditions. The experiment was performed with five soils with different properties (organic C, soil texture and atrazine application history), both unamended and treated with atrazine at field application rate. Measurements of the atrazine compounds were made at different time intervals (1, 3, 6, 9 and 12 weeks) during a 3-month incubation period. Results showed that only hydroxyatrazine was detected in the extractable fraction of the unamended soils, with values remaining relatively constant throughout the incubation period. Atrazine addition notably increased the concentration of the parent compound and its degradation products; deisopropylatrazine and hydroxyatrazine were the main metabolites detected in the extractable fraction of the treated soils, whereas deethylatrazine was not detected. After 7 days incubation, values of total extractable residues, expressed as percentage of initially added atrazine, ranged from 75 to 86% (25-68% of atrazine, 7-11% of hydroxyatrazine and 9-57% of deisopropylatrazine). The values decreased rapidly during the first 3 weeks of incubation, showing values of 2-8% in soils with higher atrazine application and from 28 to 30% in soils with lower application history. At the end of the incubation, 2-8% of total extractable residues were still detected (0-4% of atrazine, 2-3% of hydroxyatrazine and 0-2% of deisopropylatrazine), indicating a residual effect of atrazine addition. These variations in the extractable fraction indicated that most added atrazine was rapidly degraded, especially in soils with higher application history.

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Accelerated Degradation and Mineralization of Atrazine in Surface and Subsurface Soil Materials

Cited by 27 publications

References 0 publications

Effect of Soil pH and Previous Atrazine Use History on Atrazine Degradation in a Tennessee Field Soil

Effect of Soil pH and Previous Atrazine Use History on Atrazine Degradation in a Tennessee Field Soil

Enhanced degradation of atrazine under field conditions correlates with a loss of weed control in the glasshouse

Extractable atrazine and its metabolites in agricultural soils from the temperate humid zone

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