Effects of soluble humic acids on the uptake of heavy metals by Vetiveria zizanioides (L.) Nash in contaminated mining soils

Fernandez Alonso, Maria Jose; Pérez Esteban, Javier; Masaguer Rodríguez, Alberto y Moliner Aramendia, Ana María (2012). Effects of soluble humic acids on the uptake of heavy metals by Vetiveria zizanioides (L.) Nash in contaminated mining soils. En: "4th International Congress EUROSOIL 2012", 02/07/2012 - 06/07/2012, Bari, Italia. p. 1.

Descripción

Título: Effects of soluble humic acids on the uptake of heavy metals by Vetiveria zizanioides (L.) Nash in contaminated mining soils
Autor/es:
  • Fernandez Alonso, Maria Jose
  • Pérez Esteban, Javier
  • Masaguer Rodríguez, Alberto
  • Moliner Aramendia, Ana María
Tipo de Documento: Ponencia en Congreso o Jornada (Artículo)
Título del Evento: 4th International Congress EUROSOIL 2012
Fechas del Evento: 02/07/2012 - 06/07/2012
Lugar del Evento: Bari, Italia
Título del Libro: 4th International Congress EUROSOIL 2012: Actas
Fecha: 2012
Materias:
Escuela: E.T.S.I. Agrónomos (UPM) [antigua denominación]
Departamento: Edafología [hasta 2014]
Licencias Creative Commons: Reconocimiento - Sin obra derivada - No comercial

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Resumen

In the past, mining wastes were left wherever they might lie in the surroundings of the mine area. Unfortunately, inactive and abandoned mines continue to pollute our environment, reason why these sites should be restored with minimum impact. Phytoextraction is an environmental-friendly and cost-effective technology less harmful than traditional methods that uses metal hyperaccumulator or at least tolerant plants to extract heavy metals from polluted soils. One disadvantage of hyperaccumulator species is their slow growth rate and low biomass production. Vetiveria zizanioides (L.) Nash, perennial species adapted to Mediterranean climate has a strong root system which can reach up to 3 m deep, is fast growing, and can survive in sites with high metal levels (Chen et al., 2004). Due to the fact that metals in abandoned mine tailings become strongly bonded to soil solids, humic acids used as chelating agents could increase metal bioavailability (Evangelou et al., 2004; Wilde et al., 2005) and thereby promote higher accumulation in the harvestable parts of the plant. The objective of this study was to examine the performance of humic acid assisted phytoextraction using Vetiveria zizanioides (L.) Nash in heavy metals contaminated soils.

Más información

ID de Registro: 33552
Identificador DC: http://oa.upm.es/33552/
Identificador OAI: oai:oa.upm.es:33552
Depositado por: Memoria Investigacion
Depositado el: 22 Ene 2015 15:08
Ultima Modificación: 22 Ene 2015 15:17
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