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Open Access item Analysis of 13C and 15N CPMAS NMR-spectra of soil organic matter and composts

Authors:Almendros Martín, Gonzalo
Fründ, R.
González-Vila, Francisco Javier
Haider, K. M.
Knicker, Heike
Lüdemann, H.-D.
Keywords:15N-NMR, 13C-NMR, CPMAS, Compost, Humic acid
Issue Date:Apr-1991
Citation:FEBS Letters 282(1): 119-121 (1991)
Abstract: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.
Description:3 páginas, 2 figuras, 3 tablas, 7 referencias.
Publisher version (URL):http://dx.doi.org/10.1016/0014-5793(91)80458-F
E-ISSNmetadata.dc.identifier.doi = DOI:1873-3468
Appears in Collections:(IRNAS) Artículos

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