BWhat changed
Plant nutrition became testable through quantitative input-output balance rather than qualitative speculation alone.
Scientific scope
The 1837–1838 experiments as reconstructed by contemporary Rothamsted researchers; microbial fixation was not identified.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. This records the 1837–1838 experiments as reconstructed and criticized by contemporary Rothamsted researchers. It does not claim Boussingault identified microbial nitrogen fixation or resolved every nitrogen source.
Contributors
- Jean-Baptiste Boussingault · SCIENCE: Named source author of the scoped work; individual effort shares are not measured.
Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.
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