Duff

Duff

A generally firm organic layer on the surface of mineral soils. It consists of fallen plant material that is in the process of decomposition and includes everything from the litter on the surface to underlying pure humus. Duff is an organic soil material which is also one of the USDA textures of muck (sapric soil material), mucky peat (hemic soil material), or peat (fibric soil material).

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Part of Speech: noun
Synonym(s):
Blossary:
Industry/Domain: Earth science
Category: Soil science
Company: Soil Science Society of America
Product:
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