Zone Forge reads your Mississippi soil test in Mississippi's own calibrated language — the critical levels and rate logic come straight from Mississippi State University — Nutrient Management Guidelines (Lancaster extractant), not a national average. Lime has its own live calculator for Mississippi with method-specific lab inputs.
Mississippi State University — Nutrient Management Guidelines (Lancaster extractant) rates these crops in Mississippi:
Published source: Mississippi State University — Nutrient Management Guidelines (Lancaster extractant)
Mississippi State University — Nutrient Management Guidelines (Lancaster extractant). Zone Forge cites the publication on every recommendation.
Yes — the Mississippi soil-test recommendation calculator is free and needs no signup. Enter your lab values for source-cited P and K; Mississippi's live lime calculator is available separately with its own required lab inputs.
Yes — the free soil-test calculator covers source-cited P and K. Mississippi also has a live lime calculator on Zone Forge that uses the state's published method. Open the Mississippi lime guide or lime calculator for tons of CaCO3-equivalent per acre.
Zone Forge reads every Mississippi 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 →