South Dakota - SDSU Extension Fertilizer Recommendations (EC750 lineage + S-0003-23 Corn / S-0004-22 Soybean / S-0005-11 Wheat)

v1.3 (2026-08-23) · Gerwing J, Gelderman RH. Fertilizer Recommendations Guide. EC 750. SDSU Extension, Brookings SD, 2005 (reformatted 2019). Per-crop chapters: S-0003-23 Corn (2023 reissue, ch. 23), S-0004-22 Soybean (ch. 22), S-0005-11 Wheat (ch. 11). Direct PDFs at https://extension.sdstate.edu/sites/default/files/2023-03/S-0003-23.pdf and ../2020-03/S-0004-22-Soybean.pdf and ../2020-03/S-0005-11-Wheat.pdf.

Yield-goal method Computes rates in-app

Open the publication →

Crops covered

BarleyCornCorn silageField peasField peas, lentils and chickpeas — ChickpeaField peas, lentils and chickpeas — LentilMilletOatsRyeSafflowerWheat

Nutrient source for

Frequently asked

What method does South Dakota - SDSU Extension Fertilizer Recommendations (EC750 lineage + S-0003-23 Corn / S-0004-22 Soybean / S-0005-11 Wheat) use?

Yield-goal 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 South Dakota - SDSU Extension Fertilizer Recommendations (EC750 lineage + S-0003-23 Corn / S-0004-22 Soybean / S-0005-11 Wheat) covers so you can verify the source behind your recommendation.

Browse the full Coverage Explorer — every state, crop and source — or see the science →