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

Date: 1881

## The fact

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. The treatise is the public instrument.

## 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. Shared offices, unnamed crews, printers, or later editors may appear without becoming this instrument. Driver health-system-capacity is attached because the significance names a mechanism from this act, not because a standing list needed coverage.

## Evidence and sources

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

Official or archival record: Darwin Online — Formation of Vegetable Mould (1881) (https://darwin-online.org.uk/; Darwin Online / University of Cambridge).

## Significance

Improving path from The Formation of Vegetable Mould through the Action of Worms (1881) is a dated soil-health treatise on 1881-01-01. A public soil-fauna treatise is a health-and-agriculture path of medium-low weight. The welfare reading on this path is improving.

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

## What is established and what is not

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. Do not store a later compost brand as 1881. 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.

The attached driver is health-system-capacity. The welfare reading used in this dossier is improving. 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.

## People

- Charles Darwin: https://factrail.ai/people/charles-darwin

## Drivers

- Health-System Capacity: https://factrail.ai/drivers/health-system-capacity

## Sources

- https://darwin-online.org.uk/
- https://www.britannica.com/biography/Charles-Darwin

## Methodology

https://factrail.ai/methodology

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