A long-term effect of N fertilization on the 13 C CPMAS NMR of de-ashed soil humin in a second-growth Douglas-fir stand of coastal British Columbia

Author: Vamvuka D.   Woodburn E.T.   Senior P.R.   Preston C.M.   Newman R.H.  

Publisher: Elsevier

ISSN: 0016-7061

Source: Geoderma, Vol.68, Iss.4, 1995-11, pp. : 229-241

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Abstract