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Los suelos de viñedos manejados con cubiertas espontáneas mejoran su capacidad de secuestro de carbono

Soils of vineyards managed with spontaneous grass cover improve their ability to store organic carbon
Authors: López-Romano,Hugo; Marqués-Pérez,María José; Jiménez-González,Marco Antonio; Carral-González,Pilar; Álvarez-González,Ana María; Sastre,Blanca; García-Díez,Andrés; +1 Authors

Los suelos de viñedos manejados con cubiertas espontáneas mejoran su capacidad de secuestro de carbono

Abstract

La situación de pobreza endémica de carbono orgánico de los cultivos leñosos españoles es bien conocida. El laboreo excesivo mineraliza la materia orgánica y degrada los suelos agrícolas. El manejo mediante cubiertas vegetales puede sustituir al laboreo para aumentar el carbono orgánico del suelo, mejorar sus características y ser un sumidero más eficaz. Se presentan resultados de carbono orgánico oxidable y disuelto (COD) en un viñedo del centro España tras 10 años de manejo con laboreo y con cubiertas vegetales espontáneas segadas en calles alternas. Se estudian 3 capas del suelo, hasta 50cm de profundidad. Los cambios son evidentes en superficie, hasta unos 20cm, donde la materia orgánica aumenta desde 1.8 con laboreo hasta 2.5 % con cubiertas, también aumenta el COD, de 8.9 a 10.5 mg/L. No se han detectado diferencias significativas en las capas más profundas (35 y 50cm), pero se ha observado una tendencia clara a que el COD aumente en relación al contenido de carbono orgánico a 50cm. El desplazamiento del COD hacia horizontes más profundos se interpreta como una nueva ventaja de las cubiertas para mejorar la capacidad de secuestro de carbono a más largo plazo de estos suelos agrícolas.

Revista de Ciências Agrárias, Vol. 45 N.º 4 (2022)

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Keywords

carbono orgánico disuelto, viñedo, calcisol, cambio climático, secuestro de carbono

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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
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