California is the nation's top agricultural revenue state, with the Central Valley, Salinas Valley, and Imperial Valley supporting grapes, almonds, lettuce, dairy, and cotton. MAP (Monoammonium Phosphate) is currently priced at $682–$792/ton in California markets as of spring 2026, reflecting Pacific supply chain conditions.
| Benchmark | Price | vs. 2025 |
|---|---|---|
| NOLA barge (national reference) | $620–$720/ton | +15–25% |
| California co-op / distributor | $682–$792/ton | +25–35% |
| California retail delivered | $701–$814/ton | +27–37% |
MAP and DAP prices move in tandem. Hold pre-buying beyond immediate needs until August China restriction decision.
California sources fertilizer via San Francisco Bay, Los Angeles, and Central Valley distributors; nitrogen from Trinidad-based LNG and liquid ammonia terminals; phosphate via Long Beach port.
| Driver | Impact |
|---|---|
| China phosphate export restrictions | Phosphate export ban through August 2026 is the dominant price driver for MAP. |
| DAP substitution | MAP and DAP have similar P2O5 content; buyers switch between them, compressing the spread. |
| Ammonia feedstock | MAP production requires ammonia; natural gas prices set the floor. |
| Global demand centers | Brazil and India phosphate demand affects global allocation to U.S. importers. |
California farmers typically source MAP (Monoammonium Phosphate) through regional co-operatives, independent retailers, and direct distributor contracts. The most effective strategy in Pacific markets is to compare co-op pre-pay pricing versus spot retail, as pre-pay discounts of 5–12% are standard for early fall bookings.
As of spring 2026, MAP (Monoammonium Phosphate) in California is priced at approximately $682–$792/ton. Prices vary by county, co-op, and contract type. GrainBrief tracks weekly USDA AMS price reports and sends price alerts when signals change.
California sits in the Pacific supply zone. California sources fertilizer via San Francisco Bay, Los Angeles, and Central Valley distributors. Premiums over NOLA benchmarks typically run 10–18% depending on season and logistics conditions.
Historically, fall pre-buy programs (August–October) offer the best pricing for the following spring application season. In-season spot prices during March–June carry a 5–15% logistics premium. GrainBrief's weekly signal tells you exactly when to act.
GrainBrief tracks USDA AMS, FRED, and EIA data weekly and sends you a buy, hold, or negotiate signal. Stop guessing. Start buying on data.
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