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    Author(s): Philip B. Durgin; Jesse G. Chaney
    Date: 1984
    Source: Canadian Journal of Soil Science 64(3): 445-455.
    Publication Series: Miscellaneous Publication
    PDF: Download Publication  (222 KB)


    The organic constituents of water extracts from Douglas-fir (Pseudotsuga menziesii [Mirb.] Franco var. menziesii) roots that cause kaolinite dispersion were investigated. The dissolved organic matter was fractionated according to molecular size and chemical characteristics into acids, neutrals, and bases of the hydrophilic and hydrophobic groups.

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    Durgin, Philip B.; Chaney, Jesse G. 1984. Dispersion of kaolinite by dissolved organic matter from Douglas-fir roots. Canadian Journal of Soil Science 64(3): 445-455.


    PSW4351, fulvic acid, specific adsorption, carboxylic acid, fractionation

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