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Descripción
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| Glomalin, a substance produced by arbuscular mycorrhizal fungi, is reported to play a role in soil aggregation, but this role has been questioned in soils rich in calcium carbonate. We studied the relationship between aggregation stability and glomalin in a Haplic Calcisol comparing abandoned and active cultivation of olive groves. Abandonment was associated with increases in soil organic carbon, the percentage of water stable aggregates (WSA1¿2mm), and easily extractable and total Bradford-reactive soil protein. WSA1¿2mm was strongly positively correlated with both easily extractable and total Bradfordreactive soil protein. While easily extractable Bradford-reactive soil protein measured in both stable and unstable aggregates did not show any significant differences, Bradford-reactive soil protein was twice as high in stable than in unstable aggregates under both tillage and abandonment. Our results suggest that Bradford-reactive soil protein influences aggregate stability, even in soils with low organic matter and high calcium carbonate contents. However, more research is needed to elucidate the role of easily extractable Bradford-reactive soil protein in soil aggregation | |
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Internacional
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JCR del ISI
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Título de la revista
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SOIL BIOLOGY AND BIOCHEMISTRY |
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ISSN
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0038-0717 |
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Factor de impacto JCR
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2,926 |
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Información de impacto
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Volumen
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DOI
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Número de revista
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41 |
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Desde la página
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1583 |
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Hasta la página
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1585 |
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Mes
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ENERO |
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Ranking
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