Vermont · Soil test

Vermont soil-test fertilizer recommendations

Zone Forge reads your Vermont soil test in Vermont's own calibrated language — the critical levels and rate logic come straight from University of Vermont — Reactive Aluminum + Modified Morgan (UVM AETL), not a national average. Lime has its own live calculator for Vermont with method-specific lab inputs.

Crops covered

University of Vermont — Reactive Aluminum + Modified Morgan (UVM AETL) rates these crops in Vermont:

AlfalfaBarleyBuckwheatCloverConservation plantingCornCorn silageDry beansField peasGrass / forageGrass hayMilletOatsPeasRyeSmall grainsSoybeansWheat

More crops via alternate guides selectable in Vermont: New England Vegetable Management Guide 2025-2026.

Published source: University of Vermont — Reactive Aluminum + Modified Morgan (UVM AETL)

Frequently asked

What soil-test method does Vermont use?

University of Vermont — Reactive Aluminum + Modified Morgan (UVM AETL). Zone Forge cites the publication on every recommendation.

Is the Vermont soil-test calculator free?

Yes — the Vermont soil-test recommendation calculator is free and needs no signup. Enter your lab values for source-cited P and K; Vermont's live lime calculator is available separately with its own required lab inputs.

Can Zone Forge calculate a Vermont lime rate?

Yes — the free soil-test calculator covers source-cited P and K. Vermont also has a live lime calculator on Zone Forge that uses the state's published method. Open the Vermont lime guide or lime calculator for tons of CaCO3-equivalent per acre.

Zone Forge reads every Vermont soil test in its own state's language, then builds source-cited fertilizer and a live lime calculator and full variable-rate prescriptions. See the science →