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| Web URL(s): | https://dl.sciencesocieties.org/publications/jeq/pdfs/26/5/JEQ0260051264
Last checked: 12/12/2016
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| Publication Type:
| Refereed |
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| Author(s): | Senesi, Nicola;
La Cava, Paolo;
Miano, Teodoro M. |
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| Author Affiliation: | Instituto di Chimica Agraria, Univ. of Baria, Via 165/A, 70126- Bari, Italy. |
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| Title: | Adsorption of imazethapyr to amended and nonamanded soils and humic acids |
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| Section: | Organic materials in the environment
Other records with the "Organic materials in the environment" Section
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| Source: | Journal of Environmental Quality. Vol. 26, No. 5, September/October 1997, p. 1264-1270. |
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| Publishing Information: | Madison, Wisconsin: American Society of Agronomy, Crop Science Society of America, and Soil Science Society of America |
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| # of Pages: | 7 |
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| Keywords: | TIC Keywords: Imazethapyr; Adsorption; Soil amendments; Humic acids; Sewage sludge
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| Abstract/Contents: | "Soil amendment with municipal sewage sludge affects the total amount and chemical nature of soil organic matter, including its humic acid (HA) component. These effects are expected to modify the quantitative and mechanistic aspects of herbicide adsorption to soil. The magnitude and mechanisms of adsorption of the imidazolinone herbicide, imazethapyr to sewage-sludge amended and nonamended soils, and their HA components, were studied using a batch equilibrium method coupled with high-pressure liquid chromatography, and by Fourier-transform infrared (FT-IR), fluorescence and electron spin resonance (ESR) spectroscopic techniques. Sludge-amended soil exhibited nonlinear, L-shaped adsorption isotherms, and much higher adsorption capacity that nonamended soils, which had linear isotherms. Soil-isolated HAs had nonlinear, L-shaped isotherms and adsorbed imazethapyr in amounts much higher that the corresponding whole soil. Spectroscopic data indicate that imazethapyr may interact with HAs through multiple-binding mechanisms including ionic, charge-transfer, and hydrogen bonds. Results of this work indicate that organic matter applied as sludge amendment to soil is able to increase the magnitude and modify the mechanism of imazethapyr adsorption to soil, and confirms the prominent role played by HAs in this process." |
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| Language: | English |
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| References: | 21 |
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| See Also: | Other items relating to: Biostimulants |
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| Note: | Figures
Tables
Graphs |
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| ASA/CSSA/SSSA Citation (Crop Science-Like - may be incomplete):
Senesi, N., P. La Cava, and T. M. Miano. 1997. Adsorption of imazethapyr to amended and nonamanded soils and humic acids. J. Environ. Qual. 26(5):p. 1264-1270. |
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| Web URL(s):
https://dl.sciencesocieties.org/publications/jeq/pdfs/26/5/JEQ0260051264
Last checked: 12/12/2016
Requires: PDF Reader
Notes: Item is within a limited-access website |
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MSU catalog number: S 900 .J6 |
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