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handle: 10261/57323
[ES]El presente trabajo consta de dos partes bien diferenciadas; en la primera se estudian las formas extraíbles de Hierro de los suelos forestales de El Rebollar (Salamanca), y su relación con los factores y características edáficas, especialmente con las fracciones orgánicas; en la segunda, se estudian las interrelaciones entre diversos parámetros físicos de dichos suelos. Se concluye que la movilización del Hierro se encuentra restringida, siendo función de la fracción fúlvica edáfica, por otra parte, el contenido total de materia orgánica regula la densidad, el punto de marchitamiento y el contenido de agregados estables del suelo, mientras que la fracción limo incide especialmente en los valores de agua útil y humedad equivalente edáfica.
[EN] This work has two parts: the first one deals about the soil extractable iron form; the second part studies the relations among the soil physical properties. It is concluded that, in these soils, the iron migration is restricted; furthermore, the organic and amorphous iron is function of the fulvic fraction; the density, wilting point and aggregate stability are function of the total organic matter; and, finally, the available water and moisture equivalent is in relation with the silt content of the forested soils of the "El Rebollar" Region (Salamanca Province, Spain).
10 páginas, 2 tablas. -- Con la colaboración técnica de: C. Pérez
Peer reviewed
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