• Applicability of the carbon-dating method of analysis to soil humus studies 

        Author(s):McCallum, K. J.; Rennie, D. A.; Paul, Eldor A.; Campbell, C. A.
        Date Issued:1967-09
        Format:born digital; articles
        The organic fraction of soil is known to be composed of the soil biomass, partially decomposed plant and animal residues, and the materials commonly referred to as humic substances. Knowledge of the persistence of these ...