Field application of industrial by-products as Al toxicity amendments: chemical and mineralogical implications
12 pages, figures, and tables statistics.
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| Language: | English |
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British Society of Soil Science
2004-02-24
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| Subjects: | Lime, Gypsum-like, Toxicity, |
| Online Access: | http://hdl.handle.net/10261/23662 |
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dig-ica-es-10261-236622022-01-21T12:34:41Z Field application of industrial by-products as Al toxicity amendments: chemical and mineralogical implications Illera Muñoz, Virginia Garrido, Fernando Vizcayno, Carmen García-González, M. T. Lime Gypsum-like Toxicity 12 pages, figures, and tables statistics. Lime, gypsum andvarious gypsum-like by-products have long been appliedto soil surfaces as ameliorants of soil acidity andaluminium andmanganese toxicity. We examinedchanges in chemical and mineralogical properties at two different depths in two acid soils one year after the application of gypsum, phosphogypsumþdolomitic residue, red gypsumþdolomitic residue, sugar foam, and sugar foamþminedgypsum. All treatments were foundto increase the proportion of Ca2þ andd ecrease those of Al3þ andMn 2þ in the exchange complex of the surface andsubsurface horizons, thus reducing its effective Al andMn saturation. However, the minedgypsum treatment resultedin losses of Mg2þ from the Ap horizon of the soils, andthe sugar foam treatment was not so effective with the AB horizons as the other treatments. The combined application of both gypsum-like by-products and the dolomitic residue proved the most effective choice with a view to reducing the effective Al and Mn saturation of the exchange complex in the Ap and AB horizons. In addition, both treatments reduced Mg2þ losses at both depths. Finally, all treatments resultedin the formation andretention on mineral andorganic surfaces of a large fraction of the Al3þ releasedby exchange with Ca2þ as Al polymers. This is quite consistent with the observedchanges in the CuCl2-, oxalate- andDTPA-extractable Al contents as well as by SEM and EDS analyses. Basedon these results, the use of the appropriate mixtures of these by-products is an effective alternative to that of mined gypsum and lime to alleviate soil acidity and reduce toxic concentrations of Al3þ andMn 2þ in agricultural acidsoils. This work was funded by Spain’s Ministry of Science and Technology andFertiberia, S.A. within the framework of research project AGF99-0828-C03-01. We are especially grateful to Laura Barrios for her assistance in the statistical treatment. Fertiberia, S.A., Huntsman Tioxide, S.A., Ebro, S.A andAcerinox, S.A. are gratefully acknowledgedfor supplying the waste samples studied. Peer reviewed 2010-04-28T11:31:43Z 2010-04-28T11:31:43Z 2004-02-24 artículo http://purl.org/coar/resource_type/c_6501 British Society of Soil Science 55: 681-692 (2004) 1365-2389 http://hdl.handle.net/10261/23662 10.1111/j.1365-2389.2004.00640.x en http://dx.doi.org/j.1365-2389.2004.00640.x open 1487083 bytes application/pdf British Society of Soil Science |
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| topic |
Lime Gypsum-like Toxicity Lime Gypsum-like Toxicity |
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Lime Gypsum-like Toxicity Lime Gypsum-like Toxicity Illera Muñoz, Virginia Garrido, Fernando Vizcayno, Carmen García-González, M. T. Field application of industrial by-products as Al toxicity amendments: chemical and mineralogical implications |
| description |
12 pages, figures, and tables statistics. |
| format |
artículo |
| topic_facet |
Lime Gypsum-like Toxicity |
| author |
Illera Muñoz, Virginia Garrido, Fernando Vizcayno, Carmen García-González, M. T. |
| author_facet |
Illera Muñoz, Virginia Garrido, Fernando Vizcayno, Carmen García-González, M. T. |
| author_sort |
Illera Muñoz, Virginia |
| title |
Field application of industrial by-products as Al toxicity amendments: chemical and mineralogical implications |
| title_short |
Field application of industrial by-products as Al toxicity amendments: chemical and mineralogical implications |
| title_full |
Field application of industrial by-products as Al toxicity amendments: chemical and mineralogical implications |
| title_fullStr |
Field application of industrial by-products as Al toxicity amendments: chemical and mineralogical implications |
| title_full_unstemmed |
Field application of industrial by-products as Al toxicity amendments: chemical and mineralogical implications |
| title_sort |
field application of industrial by-products as al toxicity amendments: chemical and mineralogical implications |
| publisher |
British Society of Soil Science |
| publishDate |
2004-02-24 |
| url |
http://hdl.handle.net/10261/23662 |
| work_keys_str_mv |
AT illeramunozvirginia fieldapplicationofindustrialbyproductsasaltoxicityamendmentschemicalandmineralogicalimplications AT garridofernando fieldapplicationofindustrialbyproductsasaltoxicityamendmentschemicalandmineralogicalimplications AT vizcaynocarmen fieldapplicationofindustrialbyproductsasaltoxicityamendmentschemicalandmineralogicalimplications AT garciagonzalezmt fieldapplicationofindustrialbyproductsasaltoxicityamendmentschemicalandmineralogicalimplications |
| _version_ |
1777663577097764864 |