Coverage · Source

Cornell NMSP Nutrient Guidelines for Commercial Vegetable Production (2026)

v1.0 (2026-08-24) · Alternate nutrient source for commercial vegetables in New York. Morgan STP bands <3 / 3–5 / 6–12 / 13–39 / 40+ lb P/A (mineral, Table 6) and ≤40 / 41–100 / 101–160 / 161–220 / 221+ (muck SMG 6, Table 7); Morgan STK bands <50 / 50–99 / 100–199 / 200–299 / 300+ lb K/A (mineral, Table 8) and ≤220 / 220–370 / 371–520 / 521–670 / >670 (muck, Table 9). N is the Table 2 gross lb N/acre (no manure/sod credit subtracted). Potato P is the Suffolk vs Upstate Al+Fe (or pH fallback) split; potato K is an SMG equation, not a category table, and is not rated.

State extension method Computes rates in-app
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Crops covered

Asparagus–EstablishedBeetBroccoli–SeededBrussels SproutsCabbageCarrotsCauliflower–SeededCelery (SMG 1–5, mineral)ChardChile peppersCucumbersDry beansEggplantEndive (SMG 1–5, mineral)Garlic (SMG 1–5, mineral)Green beansKaleLeeksLettuceLima beansMuskmelonMustardOnionsParsleyParsnipsPeasPotatoesPumpkinsRadishesRhubarb–EstablishedRutabagasSpinachSquash–SummerSquash–WinterSweet cornTomatoesTurnipsVegetables (general)Watermelon

Selectable as an alternate in

NY

Cornell University Nutrient Management Spear Program, Nutrient Guidelines for Commercial Vegetable Production (Reiners, Workman, and Ketterings, 12 February 2026). “The NRCS 590 standard requires the use of Cornell University guidelines for nutrient applications.” Soil-test P and K are the (modified) Morgan method in lb/acre. Popcorn uses the field-crop guidelines, not these tables. This manual replaces Reiners et al. (2019).

Frequently asked

What method does Cornell NMSP Nutrient Guidelines for Commercial Vegetable Production (2026) use?

State extension method. Zone Forge computes this source's supported nutrient rates in-app and cites the published method.

Is this free to use?

Yes — Zone Forge's calculators are free and need no signup. This page shows the states and crops Cornell NMSP Nutrient Guidelines for Commercial Vegetable Production (2026) covers so you can verify the source behind your recommendation.

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