Estudio del contenido de metales pesados en suelos urbanos agrícolas

Contenido principal del artículo

Oscar Díaz Rizo
Lázaro Lima Cazorla
Damaris García Céspedes
Katia D´Alessandro Rodríguez
Oscar Torres Leyva

Resumen

Se determinan por fluorescencia de rayos X las concentraciones de Cr, Co, Ni, Cu, Zn y Pb en los suelos superficiales (0–10 cm) de 10 granjas agrícolas, localizadas en la vecindad de la planta de acero del Cotorro (La Habana, Cuba). Los rangos de concentraciones de Cr, Co, Ni, Cu, Zn y Pb fueron de 54-186, 15-39, 19-137, 50-945, 91-7739 y 21-731 de peso seco respectivamente. Los contenidos medios de metales pesados en los suelos superficiales de las granjas se comparan con los niveles de metales pesados reportados en la literatura para suelos adyacentes a plantas de acero. La normalización de los metales al hierro y la estimación del los índices de polución integral, permitió determinar que los suelos contaminados por metales pesados fueron aquellos, cuya ubicación coincide con la dirección predominante de los vientos en la zona estudiada. Los valores del índice de enriquecimiento mostraron que las concentraciones de metales pesados en los suelos de esas granjas, superan los niveles permisibles para la agricultura urbana.

Detalles del artículo

Cómo citar
Díaz Rizo, O., Lima Cazorla, L., García Céspedes, D., D´Alessandro RodríguezK., & Torres Leyva, O. (1). Estudio del contenido de metales pesados en suelos urbanos agrícolas. Nucleus, (57). Recuperado a partir de http://nucleus.cubaenergia.cu/index.php/nucleus/article/view/606
Sección
Ciencias Nucleares

Citas

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