Soil Biology and Biochemistry · 1996 · 271 citations · 33 references
AgricultureEnvironmental SciencesSoil SciencesSoil BiogeochemistrySoil ChemistrySoil Organic MatterCarbon SequestrationOrganic Nutrient SourcesSoil Carbon ChemistrySoil Carbon FractionationSoil Organic Matter FractionsSoil Carbon BioavailabilitySoil Carbon FractionsSoil Organic CarbonSoil Organic Carbon FractionsWater-extractable Organic Matter
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Humic substances and their role in the environment.
Fritz H. Frimmel, R. F. Christman · 1988 · 756 citations