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Article . 2015 . Peer-reviewed
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Niveles de Glomalina en un suelo con plantaciones de Pino radiata (<i>Pinus radiata</i> D. Don.) y distintos tiempos de plantación

Authors: Diana N. Effron; Cristina Quinteros; Silvia I. Catán; Gabriela C. Sarti; Rosa L. Defrieri;

Niveles de Glomalina en un suelo con plantaciones de Pino radiata (<i>Pinus radiata</i> D. Don.) y distintos tiempos de plantación

Abstract

Los hongos micorrízicos arbusculares (HMA) son microorganismos simbiontes que forman asociaciones mutualísticas con raíces de la mayoría de las plantas superiores. Los HMA producen glomalina que contiene un alto porcentaje de carbono y su contenido puede usarse como un indicador de los efectos del cambio de uso del suelo. El objetivo de este estudio fue evaluar el contenido de glomalina total (GT) y glomalina fácilmente extraíble (GFE) en un suelo andisol de la Provincia de Chubut, Argentina, bajo la influencia de la especie forestal (Pinus radiata D. Don. en dos parcelas con diferentes tiempos de plantación, una con 50 años (P50) y otra con 20 años (P20); y vincular dichos niveles con el carbono orgánico, las propiedades biológicas y bioquímicas del suelo. Los resultados mostraron que los valores de los parámetros dosados dependieron del tiempo de plantación, resultando significativamente mayores en el suelo con la plantación de 50 años. Los mayores valores del C de respiración y de las actividades enzimáticas en el suelo bajo P50 podrían vincularse con los mayores niveles de glomalina hallados, ya que la misma, al influir en el mejoramiento de los agregados del suelo y generar un aumento en el contenido de C orgánico, causaría en el mismo un incremento en la actividad microbiana del suelo.

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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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