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Título

Capacidad de adsorción de Cu y Zn de suelos desarrollados bajo tres tipos de vegetación. I

Otros títulosCapacity of adsortion of Cu and Zn of soils under three types of vegetation. I
AutorTrujillo Jacinto del Castillo, I.; Borges-Pérez, Andrés ; Gutiérrez-Jerez, F.
Fecha de publicación1980
EditorCSIC - Instituto Nacional de Edafología y Agrobiología José María Albareda
CitaciónAnales de Edafología y Agrobiología 39(5-6): 935-944 (1980)
ResumenFourty nine samples (surface horizons) of soils from the Canary Island were studied, under three types of vegetation, to try to find the behaviour of organic matter from various sources, with respect to the chelation of added Cu and Zn. The samples were treated previously with KCl 1N; it was assumed that K in the KCl had prevented the adsorption of Cu and Zn in any non-chelating exchange positions in the soil. The relationship between the maximum capacity of adsorption of Cu and organic matter was studied. We found significant correlations for soils developed under two of the three types of vegetation. On the contrary no significant correlation was found in the case of Zn in none of the three groups of soils. The organic matter of these soils showed a different behaviour with respect to the chelation of added Cu and Zn. It was found that in all samples the capacity adsorption for copper was greater than that for Zn. Others factors probably exist in addition to the organic matter and the clay, possibly materials of allophan type present in these soils, which are contributing to the adsorption of Cu and Zn.
URIhttp://hdl.handle.net/10261/21014
ISSN0365-1797
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