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handle: 10261/57259
[ES]En este trabajo se pretende conocer el estado de la materia orgánica y el Nitrógeno de los suelos cultivados de varias comarcas colindantes de la Región del Duero (Provincias de Salamanca, Valladolid y Zamora); de los datos obtenidos resulta que los contenidos orgánicos son bajos o muy bajos, y que tienden a mantenerse constante a lo largo del año; el fraccionamiento orgánico muestra el predominio de fracciones no extraíbles por los reactivos alcalinos, y a las que hay que atribuir la bioestabilidad de dicha materia orgánica.
[EN]An attempt has been made in this study to evaluate the organic matter and nitrogen status of some cultivated soils adjoining the Duero region (Provinces of Salamanca, Valladolid and Zamora). The organic matter content of these soils varies from low to extremely low and tends to remain constant throughout the year. The predominance of alkali-insoluble fractions in the organic matter of these soils, as revealed through organic fractionation studies, perhaps contribute towards their bio-stability.
13 páginas, 4 tablas. -- Con la colaboración técnica de: C. Pérez
Peer reviewed
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