Phosphorus Cost Per Acre for Wheat — 2026 Benchmarks

Winter wheat phosphorus costs average $25–$45 per acre in 2026 at 40–60 lb P2O5/acre. Starter P in the seed furrow at planting is the most efficient delivery method for winter wheat.

2026 Cost Breakdown

Winter wheat P rates: 40–60 lb P2O5/acre for maintenance. Seed furrow starter at 15–25 lb P2O5 is the highest-ROI P investment in wheat. At MAP prices of $670/ton, maintenance P costs $28–$42/acre.

P applicationRateCost/acre
Starter P in seed furrow15–25 lb P2O5$10–$16
Broadcast DAP maintenance40–60 lb P2O5$28–$42
Total wheat P program40–60 lb P2O5$28–$45

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