Monod kinetics rather than a first-order degradation model explains atrazine fate in soil mini-columns: Implications for pesticide fate modelling
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چکیده
منابع مشابه
Modelling ethoprophos and bentazone fate in a sandy humic soil with primary pesticide fate model PRZM-2
Primary pesticide fate models are powerful tools for ranking pesticides within an environmental contamination risk analysis context. The performance of primary pesticide root zone model PRZM2 to analyse ethoprophos and bentazone transport and dissipation is assessed. The evaluation was performed within the framework of an European modelling validation exercise, which enabled us to use a high qu...
متن کاملSources of uncertainty in pesticide fate modelling.
There is worldwide interest in the application of probabilistic approaches to pesticide fate models to account for uncertainty in exposure assessments. The first steps in conducting a probabilistic analysis of any system are: (i) to identify where the uncertainties come from; and (ii) to pinpoint those uncertainties that are likely to affect most of the predictions made. This article aims at ad...
متن کاملFate of atrazine in switchgrass-soil column system.
Atrazine, a broad-leaf herbicide, has been used widely to control weeds in corn and other crops for several decades and its extensive used has led to widespread contamination of soils and water bodies. Phytoremediation with switchgrass and other native prairie grasses is one strategy that has been suggested to lessen the impact of atrazine in the environment. The goal of this study is to charac...
متن کاملFate of atrazine in sandy soil cropped with sorghum.
A field study was conducted to determine the fate of atrazine (6-chloro-N2-ethyl-N4-isopropyl-1,3,5-triazine-2,4-diamine) within the root zone (0 to 90 cm) of a sandy soil cropped with sorghum [Sorghum bicolor (L.) Moench] in Gainesville, Florida. Atrazine was uniformly applied at a rate of 1.12 kg ai. ha(-1) to a sorghum crop under moderate irrigation, optimum irrigation, and no irrigation (ra...
متن کاملDeveloping climatic scenarios for pesticide fate modelling in Europe.
A climatic classification for Europe suitable for pesticide fate modelling was constructed using a 3-stage process involving the identification of key climatic variables, the extraction of the dominant modes of spatial variability in those variables and the use of k-means clustering to identify regions with similar climates. The procedure identified 16 coherent zones that reflect the variabilit...
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ژورنال
عنوان ژورنال: Environmental Pollution
سال: 2010
ISSN: 0269-7491
DOI: 10.1016/j.envpol.2009.12.041