Biology A-Level
natural fertilisers
What natural fertilisers means in Biology A-Level, as defined for AQA.
Definition of natural fertilisers
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Reference: AQA
Organic materials such as manure, slurry, compost and bone meal whose ions are not immediately available because saprobionts must first digest the organic matter and release them.
Topics that use natural fertilisers
- Nutrient cycles (A-level only) (AQA A-Level)
Related terms
- algal bloom
- ammonification
- artificial fertilisers
- decomposers
- denitrification
- eutrophication
- extracellular digestion
- ion availability
Using natural fertilisers in the exam
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