Zone Forge reads your South Carolina soil test in South Carolina's own calibrated language — the critical levels and rate logic come straight from South Carolina — Clemson Cooperative Extension Nutrient Recommendations (LGP 1151 + 2024 Corn Production Guide), not a national average. Lime has its own live calculator for South Carolina with method-specific lab inputs.
South Carolina — Clemson Cooperative Extension Nutrient Recommendations (LGP 1151 + 2024 Corn Production Guide) rates these crops in South Carolina:
Published source: South Carolina — Clemson Cooperative Extension Nutrient Recommendations (LGP 1151 + 2024 Corn Production Guide)
South Carolina — Clemson Cooperative Extension Nutrient Recommendations (LGP 1151 + 2024 Corn Production Guide). Zone Forge cites the publication on every recommendation.
Yes — the South Carolina soil-test recommendation calculator is free and needs no signup. Enter your lab values for source-cited P and K; South Carolina'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. South Carolina also has a live lime calculator on Zone Forge that uses the state's published method. Open the South Carolina lime guide or lime calculator for tons of CaCO3-equivalent per acre.
Zone Forge reads every South Carolina 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 →