v1.0 (2026-05-23) · USU Extension is explicit: 'Lime is not needed in Utah soils because nearly all have an alkaline reaction.' USU Analytical Laboratories does not offer a buffer pH test for lime requirement. Average UT soil pH ≈ 8.0; majority calcareous. The agronomic challenge in UT is the OPPOSITE of acidity — LOWERING pH via organic matter + elemental sulfur (with the caveat that residual lime in the soil counteracts sulfur).
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.
Alkaline-region advisory. Zone Forge follows the state's extension guidance that lime is rarely needed on these alkaline soils.
Yes — Zone Forge's calculators are free and need no signup. This page shows the states and crops Utah — alkaline-soil region (lime not needed) covers so you can verify the source behind your recommendation.
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