Zone Forge reads your New Jersey soil test in New Jersey's own calibrated language — the critical levels and rate logic come straight from New Jersey — Rutgers Cooperative Extension / NJAES, not a national average. Lime has its own live calculator for New Jersey with method-specific lab inputs.
Per New Jersey — Rutgers Cooperative Extension / NJAES — below the critical level, a yield response to the added nutrient is expected.
New Jersey — Rutgers Cooperative Extension / NJAES rates these crops in New Jersey:
More crops via alternate guides selectable in New Jersey: Mid-Atlantic Commercial Vegetable Production Recommendations 2026/2027.
Published source: New Jersey — Rutgers Cooperative Extension / NJAES
New Jersey — Rutgers Cooperative Extension / NJAES. Zone Forge cites the publication on every recommendation.
Yes — the New Jersey soil-test recommendation calculator is free and needs no signup. Enter your lab values for source-cited P and K; New Jersey'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. New Jersey also has a live lime calculator on Zone Forge that uses the state's published method. Open the New Jersey lime guide or lime calculator for tons of CaCO3-equivalent per acre.
Zone Forge reads every New Jersey 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 →