Agricultural lime (38% Ca) costs $30–$60 per ton applied in 2026. Gypsum runs $45–$80/ton. Calcium nitrate is $580–$680/ton. Lime is the most cost-effective source for most field crops.
| Product | Price | vs. 2025 |
|---|---|---|
| Agricultural lime per ton | $30–$60/ton | +5% |
| FGD gypsum per ton | $45–$80/ton | +4% |
| Calcium nitrate per ton | $580–$680/ton | +8% |
| Lime spreading application | $8–$15/acre | +4% |
Lime is the best buy in crop inputs right now. pH correction delivers the highest ROI of any soil amendment. Apply based on lime requirement test.
Lime pricing is highly location-dependent; freight is often the dominant cost.
Flue-gas desulfurization gypsum from coal plants provides low-cost gypsum supply.
Calcium nitrate pricing follows the nitrogen complex — natural gas prices.
Lime spreading adds $8–$15/acre; factor into total cost comparison.
GrainBrief tracks USDA AMS, FRED, and EIA data every week and sends you a buy, hold, or negotiate signal for each input. No manual spreadsheet. No lag.
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