Biology A-Level
denitrification
What denitrification means in Biology A-Level, as defined for AQA.
Definition of denitrification
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Reference: AQA
In anaerobic, waterlogged soils, denitrifying bacteria reduce soil nitrates into nitrogen gas, returning it to the atmosphere and reducing soil fertility.
Topics that use denitrification
- Nutrient cycles (A-level only) (AQA A-Level)
Related terms
- algal bloom
- ammonification
- artificial fertilisers
- decomposers
- eutrophication
- extracellular digestion
- ion availability
- leaching
Using denitrification in the exam
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