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Recolector de Ciencia Abierta, RECOLECTA
Part of book or chapter of book . 2006 . Peer-reviewed
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Caracterización de sustancias húmicas en suelos cultivados de origen volcánico del eje neovolcánico mexicano

Authors: Gallardo, Juan F.; Covaleda, Sara; Pajares, Silvia; Etchevers, Jorge D.;

Caracterización de sustancias húmicas en suelos cultivados de origen volcánico del eje neovolcánico mexicano

Abstract

Four soil managements were applied in experimental plots located at Atécuro (Morelia, Central Mexico): traditional, improved, organic, and fallow system. After three years COS and C of the fine fraction (<0,05 mm; CLA) showed significant differences at 10-20 cm depth. probably because of ploughing. Nt and N of the fine fraction (NLA) diminished at 0-10 cm depth in all cases because of SOM mineralization. SOM fractionation conducted in the fine fraction of soil samples belonging to the Ap horizon (0-10 and 10-20 cm) showed that humins concentrated 73% and 60% of the CLA, which is the most stable humus fraction. CLA and NLA changed among humic fractions decreasing brown humic and humic C and N fulvic in favor of fulvic and free humic C and N, which are more easily biodegradable forms.

Investigación financiada por la Unión Europea, a través del Proyecto REVOLSO/INCO.

Peer reviewed

10 páginas

Keywords

Acrisol, Sustancias húmidicas, Barbecho, México, Materia orgánica del suelo

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selected citations
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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!
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