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DIGITAL.CSIC
Article . 2009 . Peer-reviewed
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Niveles de Fe, Mn, Cu, Zn, Co y Ni extractados por AB-DTPA en suelos del campo de Cariñena (Zaragoza)

Authors: Abadía Bayona, Anunciación; Sanz Encinas, Manuel; Montañés García, Luis; Heras Cobo, Luis;

Niveles de Fe, Mn, Cu, Zn, Co y Ni extractados por AB-DTPA en suelos del campo de Cariñena (Zaragoza)

Abstract

[ES] Se han realizado seis microelementos (Fe, Mn, Cu, Zn, Co y Ni) en 645 muestras de suelo dedicado a viñedo, pertenecientes al área del campo de Cariñena (Zaragoza) mediante extracción con solución de bicarbonato amónico-DTPA y posterior análisis por espectrofotometría de absorción atómica. Se han apreciado valores normales en los contenidos de Fe, Mn y Cu, bajos para Zn y relativamente bajos para Co, excepto en el término de Cariñena. En el caso de Ni, los suelos de Tosos presentan contenidos inferiores a los normales, al igual que algunos de los suelos de Longares, Cariñena, Paniza y Aguarón. Se han hallado los coeficientes de correlación entre los microelementos analizados y los niveles de pH, porcentaje de materia orgánica y carbonatos totales. Se ha observado que los microelementos prácticamente no se correlacionan con el pH y carbonatos totales, mientras que con el porcentaje de materia orgánica, aunque no todos los términos, hay una buena correlación con Fe, Mn y Ni.

[EN] Iron, Mn, Cu, Zn, Co and Ni levels in the grapevine production area of Cariñena (Spain) soils have been evaluated by extraction with ammonium bicarbonate-DTPA. The Fe, Mn and Cu levels appear to be adequate whereas the Zn levels are in the medium-low range, and the Ni and Co levels showed low values in most areas. Highly significant correlations between the different microelements and pH, O.M. and total CaCO3 were found.

Trabajo financiado por la CAICYT (Proyecto 61141-04)

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