Revista Chapingo Serie Ciencias Forestales y del Ambiente
Universidad Autónoma Chapingo
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Revista Chapingo Serie Ciencias Forestales y del Ambiente
Volume XIII, issue 1, January - June 2007
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EVALUACIÓN DE LA CONCENTRACIÓN DE LIGNINA COMO INDICADOR DE LA CAPACIDAD DE APORTE DE NITRÓGENO DE RESIDUOS ORGÁNICOS
EVALUATION OF THE INDICATING CONCENTRATION OF LIGNINA AS OF THE CAPACITY OF NITROGEN CONTRIBUTION OF ORGANIC REMAINDERS

T. M. Hernández-Mendoza; E. Salcedo-Pérez; Gustavo Arévalo-Galarza; Arturo Galvis-Spínola

http://dx.doi.org/1111

Received: 2006-02-08

Accepted: 2006-08-29

Available online: / pages.5-13

 

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  • descriptionAbstract

    The organic materials decomposition in the soil depends on biological and non-biological variables, these are an effective alternative of usage instead synthetic fertilizers; the way to proceed is to use different indicators which infer their mineralization rate and ability to supply nitrogen (CAN). Among these the relation Carbon:Nitrogen is standing as indicator of susceptibility from organic residues; nevertheless its application has generated contradictory results, thus this paper showed the comparison of residues mineralization with different biochemical composition to precise the best indicator of CAN. The procedure was to evaluate by in vitro incubation the residues applied into Regosol eutrico soil, to 30 °C and yield capacity constant during long time. The trend of mineralization of N depend of the biochemical composition of material, where its C/N relationship was associated significantly with mineralization of labile N from soil, although it was not adequately related to the net-decomposition of the residues. In contrast the lignin concentration of the residues had a linear tendency with labile N potentially mineralizable, and its rate of mineralization pointing out significantly the CAN.

    Keyworks: lignin, C/N rate, potentially mineralizable nitrogen.
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  • starCite article

    Hernández-Mendoza, T. M.,  Salcedo-Pérez, E., Arévalo-Galarza, G., &  Galvis-Spínola, A. (2007).  EVALUATION OF THE INDICATING CONCENTRATION OF LIGNINA AS OF THE CAPACITY OF NITROGEN CONTRIBUTION OF ORGANIC REMAINDERS. Revista Chapingo Serie Ciencias Forestales y del Ambiente, XIII(1), 5-13. http://dx.doi.org/1111