{"kind":"smellbook-citation-package","schemaVersion":"1.0","entry":{"name":"Soil","recordId":"SB-0013","urn":"smellbook:smell:soil","resolver":"https://smellbook.com/id/smell/soil","url":"https://smellbook.com/smells/soil","revision":4,"updatedAt":"2026-10-06"},"cite":{"text":"SmellBook. (2026). Soil (revision 4, 2026-10-06). SmellBook Public Atlas. smellbook:smell:soil. https://smellbook.com/smells/soil","bibtex":"@misc{smellbook_soil_r4,\n  author = {{SmellBook}},\n  title = {Soil},\n  year = {2026},\n  note = {SmellBook Public Atlas, revision 4, 2026-10-06, smellbook:smell:soil},\n  url = {https://smellbook.com/smells/soil}\n}","ris":"TY  - ENCYC\nID  - smellbook-soil-r4\nTI  - Soil\nAU  - SmellBook\nT2  - SmellBook Public Atlas\nPY  - 2026\nDA  - 2026/10/06\nET  - revision 4\nUR  - https://smellbook.com/smells/soil\nN1  - SB-0013; smellbook:smell:soil; resolver https://smellbook.com/id/smell/soil\nER  - "},"dataset":{"release":"2026-11-11","export":"https://smellbook.com/data/graph-export.json","sha256":"6e1112d672ccd0f7b5a892a2dde1dbb45f737814a338891970d3a4e25ba72e18","releases":"https://smellbook.com/dataset-releases"},"evidence":[{"evidenceClass":"scientific","label":"Scientific evidence","claims":[{"id":"CLM-PETRICHOR-001","urn":"smellbook:claim:petrichor-rain-on-dry-ground","resolver":"https://smellbook.com/id/claim/petrichor-rain-on-dry-ground","title":"Petrichor and rain on dry ground","text":"The scientific literature has used the term petrichor for the characteristic earthy odour associated with rain acting on dry mineral and soil environments.","scope":"Historical scientific framing of petrichor; this does not mean every rainy environment has one identical chemical profile.","supportCheck":{"method":"no-abstract-available","description":"Neither Crossref, Europe PMC nor the publisher's page provides an abstract, so the claim has not been checked against the source's own summary."},"sources":[{"id":"SRC-PETRICHOR-1964","urn":"smellbook:source:petrichor-1964","resolver":"https://smellbook.com/id/source/petrichor-1964","kind":"PRIMARY RESEARCH","title":"Nature of Argillaceous Odour","authors":"I. J. Bear & R. G. Thomas","publisher":"Nature","date":"1964-03-07","doi":"10.1038/201993a0","url":"https://doi.org/10.1038/201993a0","passages":[],"citationCheck":{"method":"crossref","checkedOn":"2026-10-02","dateConfirmedTo":"month"}}]},{"id":"CLM-GEOSMIN-001","urn":"smellbook:claim:geosmin-and-the-odour-of-moist-soil","resolver":"https://smellbook.com/id/claim/geosmin-and-the-odour-of-moist-soil","title":"Geosmin and the odour of moist soil","text":"The earthy-smelling substance geosmin, isolated from several actinomycetes, is described by biochemical research on the soil organism Streptomyces coelicolor as responsible for the characteristic odour of moist soil.","scope":"Laboratory cultures and a study of the enzyme that makes geosmin; the 2007 study states the link to soil odour as background and did not test it, and neither source measured the air above soil or which other compounds contribute to its smell.","supportCheck":{"method":"phrase-in-abstract","description":"The statement the claim rests on was found word for word in the abstract fetched from the named service, and an editor read the full abstract against every part of the claim."},"sources":[{"id":"SRC-GEOSMIN-1965","urn":"smellbook:source:geosmin-isolation-1965","resolver":"https://smellbook.com/id/source/geosmin-isolation-1965","kind":"PRIMARY RESEARCH","title":"Geosmin, an Earthy-Smelling Substance Isolated from Actinomycetes","authors":"N. N. Gerber & H. A. Lechevalier","publisher":"Applied Microbiology","date":"1965-11","doi":"10.1128/am.13.6.935-938.1965","url":"https://doi.org/10.1128/am.13.6.935-938.1965","passages":[],"citationCheck":{"method":"crossref","checkedOn":"2026-10-06","dateConfirmedTo":"month"}},{"id":"SRC-GEOSMIN-2007","urn":"smellbook:source:geosmin-biosynthesis-2007","resolver":"https://smellbook.com/id/source/geosmin-biosynthesis-2007","kind":"PRIMARY RESEARCH","title":"Biosynthesis of the earthy odorant geosmin by a bifunctional Streptomyces coelicolor enzyme","authors":"Jiaoyang Jiang, Xiaofei He & David E. Cane","publisher":"Nature Chemical Biology","date":"2007-09-16","doi":"10.1038/nchembio.2007.29","url":"https://doi.org/10.1038/nchembio.2007.29","passages":[],"citationCheck":{"method":"crossref","checkedOn":"2026-10-06","dateConfirmedTo":"day"}}]}]}],"evidenceBoundary":"Claims are grouped by evidence class and never merged. 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