Why it matters, commodity
Phosphate rock
Mined mineral source of phosphorus; no synthetic route exists.
- Depends on
- 0
- Depended on by
- 1
- Metrics
- 0
Neighbourhood: what depends on it (left), what it depends on (right)
- Candidate
- Hypothesized
- Mechanism supported
- Causally supported
- Established relation
Systems that would feel a shortage
Downstream: what depends on it
Synthetic fertilizer requires input Phosphate rock2 evidenceEstablished relation
Synthetic fertilizer depends on Phosphate rock.
Mechanism
Phosphate fertilizers are made from mined phosphate rock; there is no synthetic route to phosphorus.
Evidence
- documentUSGS, Phosphate rock statistics and informationusgs.govchecked 2026-09-07
- sourceUSGS National Minerals Information CenterSeeded source; commodity summaries are the cited documents.checked 2026-09-07
- Status
- established_identity_or_engineering_relation
- Reviewer confidence
- 0.97
- Stated strength
- 0.80
- Lag
- not stated
- Version
- curated_seed_v1
- Reviewed
- 2026-09-07
Confidence and strength are curated judgements recorded with the edge, not measured quantities.
Inputs it cannot do without
Upstream: what it depends on
No stored inputs for this entity.
Measured, from the catalog
Linked metrics
No catalog metric is linked to this entity yet.
Named on the edges that depend on it
Substitutes
No substitute is named for this entity on any stored edge.
Derived from curated edges
Bottleneck centrality
- Score
- 1.92
- Downstream entities
- 3
- Direct dependents
- 1
Sum over every entity downstream (within six hops) of the strongest path weight to it, where each edge weighs its stated strength divided by one plus its named substitutes. A graph statistic over curated edges, not an observation. Computed 2026-09-07 22:42 UTC.
Curated paths this entity is part of
Chains
Names that resolve to this node
Aliases
- phosphate
- phosphates
- usgs: phosphate rock (phosphate-rock)
slug phosphate-rock, updated 2026-09-07 22:42 UTC