BWhat changed
A broad body of agricultural technique became systematically organized and reproducible through print.
Scientific scope
The 1313 Nong Shu as synthesis and publication; invention of earlier practices and tools is excluded.
Evidence
The linked sources identify this contribution and its scope. WRS has not independently reconstructed the scientific claims. This is a synthesis and publication achievement. It does not assign Wang Zhen sole invention of the earlier tools and practices described in the book.
Contributors
- Wang Zhen · 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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