# nitrogen fixation

> process which converts nitrogen from the air into compounds such as ammonia

**Wikidata**: [Q272467](https://www.wikidata.org/wiki/Q272467)  
**Wikipedia**: [English](https://en.wikipedia.org/wiki/Nitrogen_fixation)  
**Source**: https://4ort.xyz/entity/nitrogen-fixation


## References

1. Gene Ontology release 2019-10-07
2. [Nuovo soggettario](https://thes.bncf.firenze.sbn.it/termine.php?id=51999)
3. [Source](https://github.com/JohnMarkOckerbloom/ftl/blob/master/data/wikimap)
4. Freebase Data Dumps. 2013
5. Nuovo soggettario
6. BBC Things
7. WikiUMLS: Aligning UMLS to Wikipedia via Cross-lingual Neural Ranking
8. UMLS 2023
9. Quora
10. National Library of Israel Names and Subjects Authority File
11. [OpenAlex](https://docs.openalex.org/download-snapshot/snapshot-data-format)