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  Rapid assessment of soil organic matter: Soil color analysis and Fourier transform infrared spectroscopy

Baumann, K., Schöning, I., Schrumpf, M., Ellerbrock, R. H., & Leinweber, P. (2016). Rapid assessment of soil organic matter: Soil color analysis and Fourier transform infrared spectroscopy. Geoderma, 278, 49-57. doi:10.1016/j.geoderma.2016.05.012.

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Item Permalink: http://hdl.handle.net/11858/00-001M-0000-002B-0C8D-0 Version Permalink: http://hdl.handle.net/11858/00-001M-0000-002D-72E3-3
Genre: Journal Article

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 Creators:
Baumann, Karen, Author
Schöning, Ingo1, Author              
Schrumpf, Marion1, 2, Author              
Ellerbrock, Ruth H., Author
Leinweber, Pete, Author
Affiliations:
1Soil and Ecosystem Processes, Dr. M. Schrumpf, Department Biogeochemical Processes, Prof. S. E. Trumbore, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1497776              
2Soil Processes, Dr. Marion Schrumpf, Department Biogeochemical Integration, Dr. M. Reichstein, Max Planck Institute for Biogeochemistry, Max Planck Society, ou_1938308              

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 Abstract: Soil organicmatter (SOM) content and compositionmay be affected by geographic region, land use (grassland vs. forest) and management intensity (intensive vs. extensive). To asses these effects SOM of 300 German soils was characterized using soil color analyses (L*,a*,b*-values) and Fourier transform infrared (FTIR) spectroscopy. Soil lightness (L*-value)was strongly negatively correlatedwith the soil organic carbon content and this relationship was stronger when the previously sieved soils were ground. Using the band at wavenumber 1634 cm−1 (as determined by FTIR) as a proxy for aromaticity of SOM the L*-value was negatively correlated with aromaticity. Geographic region as well as land use affected L*-, a*- and b*-values. FTIR results suggested that particularly amides and polysaccharideswere affected by geographic region,whilemainly polysaccharideswere affected by land use.Weconclude that soil color analysis can provide additional information on environmental circumstances/site effects which may affect SOM composition. A few only weak correlations of soil color/SOM composition parameters withmanagement intensity indicate that either changes in SOMparameters were too small or that the applied management indices were not sensitive enough to management effects.

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 Dates: 2016-05-212016-06-012016
 Publication Status: Published in print
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 Identifiers: Other: BGC2485
DOI: 10.1016/j.geoderma.2016.05.012
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Title: Geoderma
Source Genre: Journal
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Publ. Info: Amsterdam : Elsevier
Pages: - Volume / Issue: 278 Sequence Number: - Start / End Page: 49 - 57 Identifier: ISSN: 0016-7061
CoNE: /journals/resource/954925401559