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Liming effects on the chemical composition of the organic surface layer of a mature Norway spruce stand (Picea abies [L.] Karst.)
11 pages, 8 figures, 3 tables, 58 references.
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| Format: | artículo biblioteca |
| Language: | English |
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Elsevier
2003-01
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| Subjects: | Carbohydrates, 13C NMR, Extractable lipids, Forest floor liming, Pyrolysis/THM-GC/MS, Roots, Soil organic matter, |
| Online Access: | http://hdl.handle.net/10261/82579 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100002347 |
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dig-irnas-es-10261-825792018-09-12T11:56:53Z Liming effects on the chemical composition of the organic surface layer of a mature Norway spruce stand (Picea abies [L.] Karst.) Rosenberg, W. Nierop, Klaas G. J. Knicker, Heike Jager, P. A. de Kreutzer, K. Weiß, T. European Commission Federal Ministry of Education and Research (Germany) Carbohydrates 13C NMR Extractable lipids Forest floor liming Pyrolysis/THM-GC/MS Roots Soil organic matter 11 pages, 8 figures, 3 tables, 58 references. The application of lime in a mature Norway spruce (Picea abies [L.] Karst.) forest in southern Germany induced major changes in the activity of soil organisms and root growth. Since this may influence the chemical compostion of the soil organic matter (SOM) of the organic surface layer, its composition and changes due to the treatment were examined in this study. Fine roots of Norway spruce have a relatively low content of extractable lipids, a low alkyl C content (13C CPMAS NMR) and a high ratio of non-cellulosic to cellulosic carbohydrates (NC/CC, carbohydrate determination by MBTH and gas chromatography analyses) as compared to needles. Furthermore, they show high ratios of suberin/cutin compounds (thermally assisted hydrolysis and methylation, (THM)) and high ratios of eicosanic acid/phytadiene I in their lipid extracts (pyrolysis-GC/MS). Liming (4 t ha21 dolomite) of a Norway spruce organic surface layer decreased the proportion of alkyl C, the alkyl C/O-alkyl C ratio, and the content of extractable lipids. The NC/CC ratio and the abundance of suberin relative to cutin components increased. The contribution of the chlorophyll component phytadiene I decreased in relation to eicosanic acid. These changes are attributed to increased fine root formation in the organic layer after liming. Furthermore, the presence of less degraded lignin (THM, peak ratio of 3,4-dimethoxybenzoic acid, methyl ester/3,4-dimethoxy-benzaldehyde) on the limed plot is explained by the increased input of relatively fresh fine root material. On the other hand, the decrease in the carbon-to-nitrogen ratio may be attributed to the higher microbial activity after liming. This part of the Hoeglwald research was supported by the Ministry for Education and Science, Germany, and by the European Community activity Large-Scale Facility Wageningen NMR Centre (ERBFMGECT950066). Peer reviewed 2013-09-24T06:29:30Z 2013-09-24T06:29:30Z 2003-01 artículo http://purl.org/coar/resource_type/c_6501 Soil Biology and Biochemistry 35 (1): 155–165 (2003) 0038-0717 http://hdl.handle.net/10261/82579 10.1016/S0038-0717(02)00250-X http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100002347 en http://dx.doi.org/10.1016/S0038-0717(02)00250-X none Elsevier |
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Carbohydrates 13C NMR Extractable lipids Forest floor liming Pyrolysis/THM-GC/MS Roots Soil organic matter Carbohydrates 13C NMR Extractable lipids Forest floor liming Pyrolysis/THM-GC/MS Roots Soil organic matter |
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Carbohydrates 13C NMR Extractable lipids Forest floor liming Pyrolysis/THM-GC/MS Roots Soil organic matter Carbohydrates 13C NMR Extractable lipids Forest floor liming Pyrolysis/THM-GC/MS Roots Soil organic matter Rosenberg, W. Nierop, Klaas G. J. Knicker, Heike Jager, P. A. de Kreutzer, K. Weiß, T. Liming effects on the chemical composition of the organic surface layer of a mature Norway spruce stand (Picea abies [L.] Karst.) |
| description |
11 pages, 8 figures, 3 tables, 58 references. |
| author2 |
European Commission |
| author_facet |
European Commission Rosenberg, W. Nierop, Klaas G. J. Knicker, Heike Jager, P. A. de Kreutzer, K. Weiß, T. |
| format |
artículo |
| topic_facet |
Carbohydrates 13C NMR Extractable lipids Forest floor liming Pyrolysis/THM-GC/MS Roots Soil organic matter |
| author |
Rosenberg, W. Nierop, Klaas G. J. Knicker, Heike Jager, P. A. de Kreutzer, K. Weiß, T. |
| author_sort |
Rosenberg, W. |
| title |
Liming effects on the chemical composition of the organic surface layer of a mature Norway spruce stand (Picea abies [L.] Karst.) |
| title_short |
Liming effects on the chemical composition of the organic surface layer of a mature Norway spruce stand (Picea abies [L.] Karst.) |
| title_full |
Liming effects on the chemical composition of the organic surface layer of a mature Norway spruce stand (Picea abies [L.] Karst.) |
| title_fullStr |
Liming effects on the chemical composition of the organic surface layer of a mature Norway spruce stand (Picea abies [L.] Karst.) |
| title_full_unstemmed |
Liming effects on the chemical composition of the organic surface layer of a mature Norway spruce stand (Picea abies [L.] Karst.) |
| title_sort |
liming effects on the chemical composition of the organic surface layer of a mature norway spruce stand (picea abies [l.] karst.) |
| publisher |
Elsevier |
| publishDate |
2003-01 |
| url |
http://hdl.handle.net/10261/82579 http://dx.doi.org/10.13039/501100000780 http://dx.doi.org/10.13039/501100002347 |
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