v2.2 (2026-08-23) · Lime: UMN Extension 'Lime needs in Minnesota' (reviewed 2023). Nutrients: 'Fertilizer Guidelines for Agronomic Crops in Minnesota' (2023; first refresh since 2011; conservancy.umn.edu/handle/11299/198924) PLUS the crop-specific online pages 'Fertilizing corn in Minnesota' (reviewed 2024) at https://extension.umn.edu/crop-specific-needs/fertilizing-corn-minnesota AND 'Soybean fertilizer guidelines' (reviewed 2026) at https://extension.umn.edu/crop-specific-needs/soybean-fertilizer-guidelines. Authors: Daniel Kaiser, Fabian Fernandez, Melissa Wilson (Extension nutrient management specialists), Jeffrey Coulter (corn agronomist), Keith Piotrowski (Soil Testing Laboratory director).
Yield-goal method. Zone Forge computes this source's supported nutrient rates in-app and cites the published method. Its published lime method is computed in-app too.
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