Kinetic and Mechanistic Modelling of Pyrimethanil Fungicide Adsorption onto Soils of Varying Physico-chemical Properties
Bulletin of Environmental Contamination and Toxicology, ISSN: 1432-0800, Vol: 113, Issue: 1, Page: 6
2024
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Example: if you select the 1-year option for an article published in 2019 and a metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019. If you select the 3-year option for the same article published in 2019 and the metric category shows 90%, that means that the article or review is performing better than 90% of the other articles/reviews published in that journal in 2019, 2018 and 2017.
Citation Benchmarking is provided by Scopus and SciVal and is different from the metrics context provided by PlumX Metrics.
Article Description
Pesticide transport in the environment is impacted by the kinetics of its adsorption onto soil. The adsorption kinetics of pyrimethanil was investigated in ten soil samples of varying physicochemical properties. The highest adsorption was in the soil having the maximum silt and CaCO contents, pH and electrical conductance but the lowest amorphous Fe oxides and CaCl extractable Mn. Pseudo-second order kinetics and intra-particle diffusion model best accounted the adsorption kinetics of pyrimethanil. The equilibrium adsorption estimated by pseudo-second order kinetics (q) was significantly and positively correlated with CaCl extractable Cu content (r = 0.709) while rate coefficient (k) had a negative correlation with crystalline iron oxides content (r = -0.675). The intra-particle diffusion coefficient (k) had inverse relationship with CaCl extractable Mn content in soils (r = -0.689). FTIR spectra showed a significant interaction of pyrimethanil with micronutrient cations. Adsorption kinetic parameters of pyrimethanil could be successfully predicted by soil properties. The findings may help to evolve fungicide management decisions.
Bibliographic Details
http://www.scopus.com/inward/record.url?partnerID=HzOxMe3b&scp=85198032547&origin=inward; http://dx.doi.org/10.1007/s00128-024-03918-6; http://www.ncbi.nlm.nih.gov/pubmed/38980453; https://link.springer.com/10.1007/s00128-024-03918-6; https://dx.doi.org/10.1007/s00128-024-03918-6; https://link.springer.com/article/10.1007/s00128-024-03918-6
Springer Science and Business Media LLC
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