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Descriptor in English: Nitrogen Cycle
Descriptor in Spanish: Ciclo del Nitrógeno
Descriptor in Portuguese: Ciclo do Nitrogênio
Descriptor in French: Cycle de l'azote
Entry term(s): Cycle, Nitrogen
Cycles, Nitrogen
Nitrogen Cycles
Tree number(s): G02.111.587
G02.607.560
G16.500.768
SP4.097.021.194.650
Scope note: The circulation of nitrogen in nature, consisting of a cycle of biochemical reactions in which atmospheric nitrogen is compounded, dissolved in rain, and deposited in the soil, where it is assimilated and metabolized by animals, plants, bacteria, and fungi, eventually returning to the atmosphere by bacterial decomposition of organic matter.
Allowable Qualifiers: DE drug effects
GE genetics
IM immunology
PH physiology
RE radiation effects
History Note: 2011
See also the descriptors: Nitration DeCS
Nitrogenous Deoxygenation DeCS
Soil Biology DeCS
DeCS UI: 54312
Descriptor UI: D058458
Date Established: 2011/01/01
Date of Entry: 2010/06/25
Revision Date: 2016/06/23
Nitrogen Cycle - Preferred
Concept UI M0542469
Scope note The circulation of nitrogen in nature, consisting of a cycle of biochemical reactions in which atmospheric nitrogen is compounded, dissolved in rain, and deposited in the soil, where it is assimilated and metabolized by animals, plants, bacteria, and fungi, eventually returning to the atmosphere by bacterial decomposition of organic matter.
Preferred term Nitrogen Cycle
Entry term(s) Cycle, Nitrogen
Cycles, Nitrogen
Nitrogen Cycles



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