Nitrogen Cycle
Contents
Key Stage 4
Meaning
The Nitrogen Cycle is a set of processes that naturally recycle Nitrogen.
About the Nitrogen Cycle
- Some processes put Nitrogen into the atmosphere and others take Nitrogen out of the atmosphere and to form Nitrates and Ammonia in the soil.
| This diagram shows Nitrogen Cycle which shows different processes add and remove Nitrogen from the atmosphere. | 
References
Edexcel
- Nitrogen cycle, page 104, GCSE Biology; The Revision Guide, CGP, Edexcel
- Nitrogen cycle, page 73, GCSE Combined Science; The Revision Guide, CGP, Edexcel
- Nitrogen cycle, pages 142-143, GCSE Combined Science, Pearson Edexcel
- Nitrogen cycle, pages 200-201, GCSE Biology, Pearson, Edexcel
- Nitrogen cycle, pages 306, 307, GCSE Biology, CGP, Edexcel