ALMENDROS, G and FRUND, R and GONZALEZVILA, FJ and HAIDER, KM and KNICKER, H and LUDEMANN, HD (1991) ANALYSIS OF C-13 AND N-15 CPMAS NMR-SPECTRA OF SOIL ORGANIC-MATTER AND COMPOSTS. FEBS LETTERS, 282 (1). pp. 119-121. ISSN 0014-5793,
Full text not available from this repository.Abstract
N-15 and C-13 CPMAS spectra of composted plants are presented. The plants (L. rigidium and Zea mays) were grown in N-15 enriched medium and fermented for several months until an approx. 80% of the dry matter was lost. In all N-15 spectra the secondary amide/peptide peaks at 87 ppm contributes more than 80% of the total intensity. No new N-15 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.
| Item Type: | Article |
|---|---|
| Uncontrolled Keywords: | ; N-15-NMR; C-13-NMR; CPMAS; COMPOST; HUMIC ACID |
| Depositing User: | Dr. Gernot Deinzer |
| Last Modified: | 19 Oct 2022 08:46 |
| URI: | https://pred.uni-regensburg.de/id/eprint/55020 |
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