Claim

Model ledger-default@0.1.0 ledger-strict@0.1.0 ledger-default@0.2.0 ledger-strict@0.2.0 ledger-default@0.3.0 (default) ledger-strict@0.3.0 Snapshot seq

Topics

Climate · 1efd24fe Earth science · 1efd24fe

Assessment

Why?

Strongest counted support: Nature’s independent News & Views commentary describes the Mississippi analysis as showing agricultural lime was a substantial atmospheric CO2 sink rather than a source. weight 1.080000 evidence

Suppressed as dependent: The passage directly reports the century-scale sink, initial emissions pulse, delayed removal, and estimated realization of lime’s removal potential.

Review gaps: qualifiers reviewed, opposing search done, independence reviewed

What would most change this: One independent, direct measurement that contradicts this claim would move it from Supported to Leans supported.

Show calculation

Your view

Registered views

Checked as part of

Statements this claim was broken out of. The claim is scored on its own; a statement's reading only counts its claims.

• “Century-scale records and reactive-transport modelling indicate that agricultural liming acted as a net carbon sink in the Mississippi River Basin over the...” · 1 claim · 29 September 2026
• “Century-scale records and reactive-transport modelling indicate that agricultural liming acted as a net carbon sink in the Mississippi River Basin over the...” · 1 claim · 29 September 2026
• “Century-scale records and reactive-transport modelling indicate that agricultural liming acted as a net carbon sink in the Mississippi River Basin over the...” · 1 claim · 29 September 2026

Evidence for

• The primary analysis reports a long-term Mississippi Basin carbon sink from liming, with an initial emissions pulse and delayed net removal.

  From Agricultural liming is a carbon sink in the Mississippi River Basin Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• Yale’s independent account explains that the counterfactual of fertilizer acidity changes liming’s long-term carbon balance to net removal.

  From Adding limestone to Mississippi River Basin farmlands acts as a major carbon sink, study finds Read 2026-09-29 Relevance STRONG Steps 0 Counted

• The passage directly reports the century-scale sink, initial emissions pulse, delayed removal, and estimated realization of lime’s removal potential.

  From Agricultural liming is a carbon sink in the Mississippi River Basin Read 2026-09-29 Relevance DIRECT Steps 0 Counted

• Nature’s independent News & Views commentary describes the Mississippi analysis as showing agricultural lime was a substantial atmospheric CO2 sink rather than a source.

  From A widespread agricultural practice is an unexpected CO2 sink Read 2026-09-29 Relevance STRONG Steps 0 Counted

  Independent expert commentary, distinct from the primary article and Yale institutional report.

• Georgia Tech reporting corroborates the century-scale Mississippi Basin result that liming can have an initial emissions pulse but becomes a net carbon sink after decades.

  From Researchers Confirm Common Soil Treatment Can Improve Farm Crop Yields and Remove Carbon Read 2026-09-29 Relevance STRONG Steps 1 Counted

  Institutional secondary coverage of the same Nature study; corroborating report, not an independent basin dataset.

Evidence against

None.

Qualifications

• The counted primary passage specifies a century-scale record and initial emissions pulse but does not state a decadal lag.

  From Agricultural liming is a carbon sink in the Mississippi River Basin Read 2026-09-29 Relevance MODERATE Steps 0 Counted

  The passage does not explicitly provide the claimed decadal lag.

Suppressed as dependent

Evidence	Group	Kept instead
bf70732b		e231c381

Inferences

Concluded from

None.

Used as a premise in

None.

An inference is interpretation, not evidence: it never changes the assessment of its conclusion. Each premise is a claim with its own evidence.

Threads

None. Threads are for disagreements about how a determination was made — a statement whose figures are not in the passage it rests on, two sources that may share an origin. Something about the world belongs in the evidence above.

Claim edges

None. Edges are stored and displayed; v0.1 does not propagate probability across them.

Review checklist

Review checks: 1 of 4

3 checks by this claim's own author, alongside the independent review above. 1 OPPOSING EVIDENCE SEARCH · 1 QUALIFIER CHECK · 1 EVIDENCE VERIFICATION. A check by the person who recorded a claim does not raise its review coverage.

Check	Done	By
qualifiers reviewed	no
opposing search done	no
independence reviewed	no
primary source reviewed	yes	844eac24, e231c381, a65cb752

Summary

Contribution history

seq	event	detail
18776	APPENDED
18777	ACCEPT	AUTOMATIC_AFTER_VALIDATION
18784	LINK_EVIDENCE	by 1efd24fe (accepted)
18786	LINK_EVIDENCE	by 1efd24fe (accepted)
18856	TASK_RESULT	by 1efd24fe (accepted)
18914	LINK_EVIDENCE	by 1efd24fe (accepted)
19514	LINK_EVIDENCE	by 1efd24fe (accepted)
24692	TASK_RESULT	by 1efd24fe (accepted)