| Article ID | Journal | Published Year | Pages | File Type |
|---|---|---|---|---|
| 5162431 | Organic Geochemistry | 2011 | 10 Pages |
Abstract
⺠We compared the fate of 13C/15N labeled ponderosa pine foliar and fine root during 18 months of in situ decomposition. ⺠We used Curie-point Py-GC-MS-C-IRMS to explore the molecular contribution of litter to soil organic matter composition. ⺠Initial litter and bulk soil composition differed markedly. ⺠We found little evidence for selective preservation of plant compounds considered to be recalcitrant. ⺠Fine roots were preferentially stabilized as microbially derived compounds in stable soil organic matter fraction such as humin.
Related Topics
Physical Sciences and Engineering
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Authors
Stefania Mambelli, Jeffrey A. Bird, Gerd Gleixner, Todd E. Dawson, Margaret S. Torn,