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handle: 10261/76596
[ES]: Se ha realizado un estudio de tres perfiles representativos de suelos desarrollados sobre arcillas y areniscas del Trías (Buntsandstein) de la cuenca del río Viar. Los horizontes A de estos suelos son de reacción ligeramente ácida, casi neutra; la C/N es próxima a 15 y el complejo de cambio se encuentra saturado en bases (V> 90 por 100), siendo Ca++ y Mg++ los principales cationes de cambio; el pH de los horizontes (B) es superior a 5,5. Son suelos francos y franco-arcillosos, con micasilitas y caolinitas como principales minerales de la arcilla. Los procesos edafogenéticos conducen a la formación de suelos "pardos típicos" de la Sistemática Francesa de perfil A (B) C, que corresponden dentro del orden "Inceptisols" al gran grupo "Eutrochrepts" de la Clasificación Americana (7ª aproximación).
[EN]: Loamy soils from the Viar river basin in Province of Seville were studied. The bassic objetives of the study were to evaluate the chemical, physico-chemical and textural properties and to study the day mineralogy ensuing with the genesis of the soils. The soils derived from triassic sediments (Buntsandstein) has been c1assified as Brown soils.
20 páginas, 8 figuras, 1 tabla, 3 perfiles, 18 referencias.
Peer reviewed
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