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    Investigations of the dynamics of soil humus utilizing carbon dating techniques

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    http://hdl.handle.net/10217/88194
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    Investigations of the dynamics of soil humus utilizing carbon dating techniques (511.0Kb)
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    Abstract
    The radioactivity of naturally occurring C14 in soil humus when compared to the C14 activity of a standard of recent origin (carbon dating) can be used to estimate the mean residence time of the soil humus in studying problems in soil genesis, fertility and biochemistry. The apparent mean residence time of humus from a Black Chernozemic soil was approximately 1,000 years. The C14 activity of "Humin" and "Humic Acids" isolated from this soil was lower than that obtained from the whole soil. The fulvic acids, however, had a substantially higher activity and a corresponding lower mean residence ...
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    Author(s)
    Rennie, D. A.; Campbell, C. A.; Paul, Eldor A.; McCallum, K. J.

    Date Issued
    1964
    Format
    born digital; articles
    Collections
    • Faculty Publications - Department of Soil & Crop Sciences
    • Faculty Publications - Natural Resource Ecology Laboratory (NREL)
    • Paul (Eldor A.) Collection - Department of Soil & Crop Sciences
    • Paul (Eldor A.) Collection - Natural Resource Ecology Laboratory (NREL)

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