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NAL Agricultural Thesaurus
U.S. Department of Agriculture

Concept Breadcrumbs

Fields of Study > Earth system science > biogeochemical cycles > nitrogen cycle
Fields of Study > geology > geochemistry > biogeochemistry > biogeochemical cycles > nitrogen cycle
Fields of Study > chemistry > geochemistry > biogeochemistry > biogeochemical cycles > nitrogen cycle
Preferred Term:

nitrogen cycle

Definition:
The sequence of biochemical changes undergone by nitrogen, wherein it is used by a living organism, liberated upon the death and decomposition of the organism and converted to its original state of oxidation.
Concept Schemes:
NALT Full
Broader Concept:
biogeochemical cycles
Related Concepts:
Entry Terms:
  • nitrogen cycling
URI:
https://lod.nal.usda.gov/nalt/86995
Download this Concept:
RDF/XMLCreated 2006-07-21, last modified 2019-04-19