New York · Soil test

New York soil-test fertilizer recommendations

Zone Forge reads your New York soil test in New York's own calibrated language — the critical levels and rate logic come straight from New York — Cornell NMSP / CNAL — Agro-One (combined lime + nutrient), not a national average.

Critical soil-test levels

  • P: critical 4.5 ppm (Cornell Morgan)
  • K: critical 47.5 ppm (Cornell Morgan)

Per New York — Cornell NMSP / CNAL — Agro-One (combined lime + nutrient) — below the critical level, a yield response to the added nutrient is expected.

Published source: New York — Cornell NMSP / CNAL — Agro-One (combined lime + nutrient)

Frequently asked

What soil-test method does New York use?

New York — Cornell NMSP / CNAL — Agro-One (combined lime + nutrient). Zone Forge cites the publication on every recommendation.

Is the New York soil-test calculator free?

Yes — the New York soil-test recommendation calculator is free and needs no signup. Enter your lab values for source-cited P, K and lime guidance.

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