v1.0 (2026-05-23) · University of New Hampshire Cooperative Extension Soil Testing Service uses Mehlich Lime Buffer pH (Hoskins-modified Mehlich, same buffer family as ME and PA). Mehlich-3 extraction for nutrients.
This source publishes a state method — its crop-specific rate tables are maintained in the extension bulletin rather than a fixed crop list, so Zone Forge doesn't claim a crop set here.
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