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Características químicas del sustrato de corcho.

Authors: Ordovás Ascaso, José; Moreno Aguirre, María Teresa; Ortega de la Torre, María del Carmen; Aguado Abril, María Teresa; Días de la Guardia, Manuel (Coordinador);

Características químicas del sustrato de corcho.

Abstract

La industria corchera genera en nuestro país un residuo que actualmente carece de utilidad. Productos de similares características, como los residuos de cortezas de árboles generados por la industria forestal, se utilizan desde hace años como sustratos hortícolas. En este trabajo se evalúan las principales características químicas del residuo de corcho, incidiendo en aquéllas (composición mineral, contenido fenólico) que resultan limitantes para el empleo de otras cortezas como medios de cultivo, y se valoran el lavado con agua caliente y el envejecimiento como sistemas de mejora de estas propiedades. este estudio muestra que se trata de un producto químicamente activo y estable, con pH y conductividad eléctrica óptimos para el cultivo de una amplia gama de especies, relación C/N moderada, alta capacidad de intercambio catiónico y débil contenido mineral, destacando las concentraciones de potasio y manganeso, que se reducen con el lavado. Su fracción fenólica hidrosoluble, de acción fitotóxica más directa, desciende notablemente con el lavado y el envejecimiento. esta caracterización pone de manifiesto la aptitud del residuo de corcho como medio de cultivo, con problemática similar a la de otros sustratos de cortezas, y que, por tanto, requerirá un manejo semejante a los mismos.

Country
Spain
Related Organizations
Keywords

Corcho, Caracterización química, Sustrato hortícola, Residuo industrial

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selected citations
These citations are derived from selected sources.
This is an alternative to the "Influence" indicator, which also reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Citations provided by BIP!
popularity
This indicator reflects the "current" impact/attention (the "hype") of an article in the research community at large, based on the underlying citation network.
BIP!Popularity provided by BIP!
influence
This indicator reflects the overall/total impact of an article in the research community at large, based on the underlying citation network (diachronically).
BIP!Influence provided by BIP!
impulse
This indicator reflects the initial momentum of an article directly after its publication, based on the underlying citation network.
BIP!Impulse provided by BIP!
0
Average
Average
Average
Green