Zone Forge reads your Connecticut soil test in Connecticut's own calibrated language — the critical levels and rate logic come straight from Connecticut — UConn Soil Nutrient Analysis Laboratory (Modified Morgan extractant), not a national average. Lime has its own live calculator for Connecticut with method-specific lab inputs.
Connecticut — UConn Soil Nutrient Analysis Laboratory (Modified Morgan extractant) rates these crops in Connecticut:
More crops via alternate guides selectable in Connecticut: New England Vegetable Management Guide 2025-2026.
Published source: Connecticut — UConn Soil Nutrient Analysis Laboratory (Modified Morgan extractant)
Connecticut — UConn Soil Nutrient Analysis Laboratory (Modified Morgan extractant). Zone Forge cites the publication on every recommendation.
Yes — the Connecticut soil-test recommendation calculator is free and needs no signup. Enter your lab values for source-cited P and K; Connecticut'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. Connecticut also has a live lime calculator on Zone Forge that uses the state's published method. Open the Connecticut lime guide or lime calculator for tons of CaCO3-equivalent per acre.
Zone Forge reads every Connecticut 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 →