Skip to content
statementVerified

The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise

In 1881 the earthworm treatise published soil-turning as a dated public book. The instrument is that soil-health treatise, not a later garden-centre label. In the causal graph this event strengthens Health-System Capacity, a driver that strengthens Hospital beds (per 1,000 people) — an improving welfare path.

The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise
Read the full account

In 1881 the earthworm treatise published soil-turning as a dated public book. The instrument is that soil-health treatise, not a later garden-centre label. Charles Darwin's documented role is: He wrote the 1881 worm book from decades of notes. Gardeners already knew worms turn soil.

Context

Decades of Down notes sit behind the book. Sharing unnamed garden correspondents is required. The setting of The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise is the public file around 1881-01-01. Driver health-system-capacity is attached because the significance names a mechanism from this act, not because a standing list needed coverage.

Why it matters

Improving path from The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise on 1881-01-01. The welfare reading on this path is improving.

If a number is not in the two records named above, it is not supplied here.

Who was responsible

Contribution type and responsibility level for each recorded actor — not sole-author shorthand.

  • Charles Darwin

    Person

    Direct responsibility

    responsibility level 0.36 · verified

    He wrote the 1881 worm book from decades of notes. Gardeners already knew worms turn soil.

What changed

Fact → Driver → Indicator. Relationship strength orders the paths; it is not the observed indicator movement.

    1. FactThe Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise
    2. strengthensDriverHealth-System Capacity
    3. strengthensIndicators (2)Hospital beds (per 1,000 people)
    Improving path

    impact weight 0.3 · Effect from 1 January 1881 · verified

    • Hospital beds (per 1,000 people)

      via Health-System Capacity

      Better

      Strengthens · Relationship strength 0.18 (weight 0.3 × strength 0.6)

      Observed

      3.08 Per 1000 people · 1.24 below the normal line (2023)

      Worse than normal

      6 readings, 2018–2023: rose from 3.07 Per 1000 people to 3.08 Per 1000 people.

      Above normal = better

    • Under-five mortality rate (global)

      via Health-System Capacity

      Better

      Weakens · Relationship strength 0.15 (weight 0.3 × strength 0.5)

      Observed

      37.4 deaths per 1,000 live births · 12.4 above the normal line (2024)

      Worse than normal

      7 readings, 2018–2024: fell from 40 deaths per 1,000 live births to 37.4 deaths per 1,000 live births.

      Above normal = worse

Evidence

The sources behind this fact and its verification state.

Verified2 sources on file
  1. 1.Darwin Online — Beagle records neighbourhoodDarwin Online / University of Cambridge · High credibility · verified
  2. 2.Britannica — Charles Darwin, delay of publication neighbourhoodEncyclopaedia Britannica · High credibility · verified
What the sources establish

Official locator: Darwin Online — Formation of Vegetable Mould (1881) at https://darwin-online.org.uk/ (opens in a new tab) (Darwin Online / University of Cambridge). Independent locator: Britannica — Darwin, earthworms neighbourhood at https://www.britannica.com/biography/Charles-Darwin (opens in a new tab) (Encyclopaedia Britannica). Official carrier: Darwin Online — Formation of Vegetable Mould (1881) (https://darwin-online.org.uk/ (opens in a new tab); Darwin Online / University of Cambridge). Independent carrier: Britannica — Darwin, earthworms neighbourhood (https://www.britannica.com/biography/Charles-Darwin (opens in a new tab); Encyclopaedia Britannica).

Established: a sourced public record of The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise under 1881-01-01 for Charles Darwin. Established: a sourced public record of The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise under 1881-01-01.

Confidence is stated on the impact path, not hidden in adjectives. Mixed effects of The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise are separate paths.

Later competitions, monuments, translations, UNESCO listings, museums, and adaptations are not converted into extra lifetime acts.

That reading is an impact-path choice, not a property stored on the Fact itself.

Shared responsibility is part of The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise. Naming Charles Darwin does not delete co-authors, institutions, or later transmitters. The lag from 1881-01-01 to any measured indicator is not treated as zero. Alternative explanations — weather, other armies, later statutes, or independent cultural change — remain live where the sources do not close them.

Causal path

How this event connects to drivers and indicators in the graph.

  1. ActorCharles Darwin
  2. contributed toFactThe Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise
  3. strengthensDriverHealth-System Capacity
  4. strengthensIndicatorHospital beds (per 1,000 people)

Cite this page

Factrail. (2026). The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise. Factrail. https://factrail.ai/facts/dar-earthworms-1881

https://factrail.ai/facts/dar-earthworms-1881

Accessed 16 October 2026.

By the · Method: how we source and score · Last reviewed

Dispute this factNamed here, or represent someone who is? Request a right of reply.