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How Important is "Black Nitrogen" for C-Sequestration in Soils?. |
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Molecular Characterization of Black Carbon from Reference Soils and Fire Affected Soils by Pyrolytic, Spectroscopic and Thermogravimetric Techniques. |
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The speciation of sulfur in bulk soil differs from the S speciation in humic acid, fulvic acid, and most particle size fractions. |