The best time to buy fertilizer in 2026 depends on the product. Potash: buy now — it is the most attractively priced major input. Phosphate (DAP/MAP): hold on large pre-buys until the August China restriction decision, but buy immediate needs. Nitrogen: pre-book fall anhydrous before August; China export restriction news will move the market. Herbicides: buy glyphosate and atrazine now before tariff changes.
| Product | Action | Reason |
|---|---|---|
| Potash (MOP) | Buy now | Best relative value; favorable supply |
| Glyphosate / Atrazine | Buy now | Favorable pricing; tariff risk ahead |
| Phosphate (DAP/MAP) | Hold | Wait for August China restriction decision |
| Anhydrous ammonia | Pre-book fall | China N decision in August moves market |
| Urea / UAN | Hold / need-based | Prices may soften Q4 if restrictions lift |
USDA AMS data consistently shows 10–20% price variation for the same fertilizer between pre-season and peak-demand pricing. On a 500-acre corn operation spending $250,000 on fertilizer, a 15% improvement in buying timing saves $37,500 per year.
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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