South Dakota is a major corn, soybean, and winter wheat state with the James River Valley and eastern South Dakota black soils averaging 155–175 bu/acre corn. Atrazine 4L is currently priced at $10–$15/gallon in South Dakota markets as of spring 2026, reflecting Great Plains supply chain conditions.
| Benchmark | Price | vs. 2025 |
|---|---|---|
| NOLA barge (national reference) | $9–$13/gallon | +15–25% |
| South Dakota co-op / distributor | $10–$15/gallon | +27–37% |
| South Dakota retail delivered | $10–$15/gallon | +29–39% |
Atrazine is attractively priced relative to alternatives. Buy the full season volume before any EPA regulatory news moves prices.
South Dakota receives fertilizer via Missouri River barge terminals at Sioux City and by rail; western South Dakota pays premiums of 12–18% over NOLA.
| Driver | Impact |
|---|---|
| Generic competition | Multiple domestic and offshore generics keep atrazine prices stable and competitive. |
| EPA regulatory risk | Ongoing EPA review creates long-term uncertainty; near-term supply is unchanged for 2026. |
| Corn acreage | Atrazine use is primarily in corn; state corn acreage directly drives local demand volume. |
| Formulation choice | 90DF (dry flowable) typically costs less per pound of AI than 4L liquid formulations. |
South Dakota farmers typically source Atrazine 4L through regional co-operatives, independent retailers, and direct distributor contracts. The most effective strategy in Great Plains 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, Atrazine 4L in South Dakota is priced at approximately $10–$15/gallon. Prices vary by county, co-op, and contract type. GrainBrief tracks weekly USDA AMS price reports and sends price alerts when signals change.
South Dakota sits in the Great Plains supply zone. South Dakota receives fertilizer via Missouri River barge terminals at Sioux City and by rail. Premiums over NOLA benchmarks typically run 12–20% 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.
Start Free Trial →