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  • Impact of land-use on soil organic matter quality in south-western Australia - characterization with 13C CP/MAS NMR spectroscopy.

    Author(s)
    Mendham, D.
    Mathers, Nicole
    O'Connell, A.
    Grove, T.
    Saffigna, Paul
    Griffith University Author(s)
    Saffigna, Paul G.
    Mathers, Nicole
    Year published
    2002
    Metadata
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    Abstract
    The influence of change in land-use from native vegetation to pasture (20-71 yr after conversion), and subsequent change from pasture to eucalypt plantation (7-10 yr after conversion) on soil organic matter quality was investigated using 13C CP/MAS NMR spectroscopy. We studied surface soil (0-10 cm) from six sites representing a range of soil and climate types from south-western Australia. Total C in the samples ranged from 1.6 to 5.5%, but the relative proportions of the four primary spectral regions (alkyl, O-alkyl, aromatic and carboxylic) were similar across the sites, and changes due to land-use at each site were ...
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    The influence of change in land-use from native vegetation to pasture (20-71 yr after conversion), and subsequent change from pasture to eucalypt plantation (7-10 yr after conversion) on soil organic matter quality was investigated using 13C CP/MAS NMR spectroscopy. We studied surface soil (0-10 cm) from six sites representing a range of soil and climate types from south-western Australia. Total C in the samples ranged from 1.6 to 5.5%, but the relative proportions of the four primary spectral regions (alkyl, O-alkyl, aromatic and carboxylic) were similar across the sites, and changes due to land-use at each site were relatively minor. Main impacts of changed land-use were higher O-alkyl (carbohydrate) material under pasture than under native vegetation and plantation (P=0.048), and lower aromatic C under pasture than under native vegetation (P=0.027). The decrease in aromatic C in pasture soils was related to time since clearing.
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    Journal Title
    Soil Biology and Biochemistry
    Volume
    34
    Publisher URI
    http://www.elsevier.com/wps/find/journaldescription.cws_home/332/description#description
    Copyright Statement
    © 2002 Elsevier : Reproduced in accordance with the copyright policy of the publisher : This journal is available online - use hypertext links.
    Subject
    Environmental Sciences
    Biological Sciences
    Agricultural and Veterinary Sciences
    Publication URI
    http://hdl.handle.net/10072/6757
    Collection
    • Journal articles

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