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Título: | Traditional agricultural practices enable sustainable remediation of highly polluted soils in Southern Spain for cultivation of food crops |
Autor: | Madejón, Paula CSIC ORCID ; Barba Brioso, Cinta; Lepp, N. W.; Fernández Caliani, J. C. | Palabras clave: | Trace elements Edible plants Soil pollution Tharsis mines Spain |
Fecha de publicación: | may-2011 | Editor: | Elsevier | Citación: | Journal of Environmental Management 92 (7): 1828-1836 (2011) | Resumen: | This study relates elemental content of a range of edible crops grown in soils severely polluted by metals and metalloids as affected by traditional smallholder management practices. Five agricultural plots close to a sulfidic waste dump were monitored. Soil analysis demonstrated elevated concentrations of As, Cu, Pb and Zn that were greatly in excess of maximum statutory limits for agricultural soils in the studied region. The main vegetables (lettuce, chard, onion, potatoes) and lemon, together with their associated soils, were measured for elemental content. Extractable soil element concentrations were very low. There were differences in elemental accumulation between crops, but none exceeded statutory concentrations in edible parts. Soil-plant transfer factors were uniformly low for all elements and crops. It is concluded that traditional soil management practices (annual liming and application of animal manures) have created conditions for sustainable long-term safety use, with potential for multiple end-use, of these highly polluted soils. | Descripción: | 9 pages, 5 figures, 5 tables, 47 refrerences. | Versión del editor: | DOI: 10.1016/j.envman.2011.03.007 | URI: | http://hdl.handle.net/10261/42278 | ISSN: | 0301-4797 |
Aparece en las colecciones: | (IRNAS) Artículos |
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Traditional agricultural practices enable.pdf | 523,55 kB | Adobe PDF | Visualizar/Abrir |
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