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Título: | Phytostabilization of semiarid soils residually contaminated with trace elements using by-products: sustainability and risks |
Autor: | Pérez de Mora, Alfredo CSIC; Madejón, Paula CSIC ORCID ; Burgos, Pilar CSIC ORCID; Cabrera, Francisco CSIC ORCID; Lepp, N. W.; Madejón, Engracia CSIC ORCID | Fecha de publicación: | 2011 | Editor: | Pergamon Press | Citación: | Environmental Pollution 159(10): 3018- 3027 (2011) | Resumen: | We investigated the efficiency of various by-products (sugarbeet lime, biosolid compost and leonardite), based on single or repeated applications to field plots, on the establishment of a vegetation cover compatible with a stabilization strategy on a multi-element (As, Cd, Cu, Pb and Zn) contaminated soil 4-6 years after initial amendment applications. Results indicate that the need for re-treatment is amendment- and element-dependent; in some cases, a single application may reduce trace element concentrations in above-ground biomass and enhance the establishment of a healthy vegetation cover. Amendment performance as evaluated by % cover, biomass and number of colonizing taxa differs; however, changes in plant community composition are not necessarily amendment-specific. Although the translocation of trace elements to the plant biotic compartment is greater in re-vegetated areas, overall loss of trace elements due to soil erosion and plant uptake is usually smaller compared to that in bare soil. | URI: | http://hdl.handle.net/10261/60424 | DOI: | 10.1016/j.envpol.2011.04.015 | Identificadores: | doi: 10.1016/j.envpol.2011.04.015 issn: 0269-7491 e-issn: 1873-6424 |
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