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NAL Agricultural Thesaurus and Glossary
U.S. Department of Agriculture

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AGRICOLA Articles
AGRICOLA Books
mor
Subject Category
P Natural Resources, Earth and Environmental Sciences
Definition
A layer of organic material made up of largely unrecognizable plant debris and their decomposition products overlain by litter and lying on the surface of, and essentially unmixed with, the mineral soil. Earthworms are absent.
Definition Source
Burns, Russell M. and Barbara H. Honkala, tech. coords. Silvics of North America, vol 2. Hardwoods; Glossary. Agriculture handbook no. 654. U.S. Department of Agriculture, Forest Service, 1990
RDF/XML Format:
http://lod.nal.usda.gov/nalt/53430.rdf
Persistent URI:
http://lod.nal.usda.gov/nalt/53430
Broader Term
soil organic matter
Spanish
mor
Term Number
53430