Please use this identifier to cite or link to this item: http://hdl.handle.net/10261/59065
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Título : Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts
Autor : Almendros Martín, Gonzalo, Fründ, R., González-Vila, Francisco Javier, Haider, K. M., Knicker, Heike, Lüdemann, H.-D.
Palabras clave : 15N-NMR
13C-NMR
CPMAS
Compost
Humic acid
Fecha de publicación : Apr-1991
Editor: Elsevier
Citación : FEBS Letters 282(1): 119-121 (1991)
Resumen: 15N and 13C CPMASspectra of composted plants are presented. The plants (L. rigidium and Zea mays) were grown in 15N enriched medium and fennented for several months until an approx. 80% of the dry matter was lost. In all 15N spectra the secondary amide/peptide peaks a 87 ppm contributes more than 80% of the total intensity. No new 15N peaks are formed during the fermentation process. Older attempts to assign a significant fraction of humic acid nitrogen to heteroaromatic structures formed in the fermentation process are thus most probably wrong.
Descripción : 3 páginas, 2 figuras, 3 tablas, 7 referencias.
Versión del editor: http://dx.doi.org/10.1016/0014-5793(91)80458-F
URI : http://hdl.handle.net/10261/59065
ISSN: 0014-5793
DOI: 10.1016/0014-5793(91)80458-F
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