Sulfur Fertilizer Price — 2026 Benchmarks

Ammonium sulfate (21-0-0-24S) is priced at $380–$450 per ton in U.S. markets in spring 2026. Elemental sulfur is $140–$200/ton. ATS liquid is $0.28–$0.38/gallon.

Current Price Range

ProductPricevs. 2025
Ammonium sulfate 21-0-0-24S$380–$450/ton+10%
Elemental sulfur prilled$140–$200/ton+8%
ATS 12-0-0-26S liquid$0.28–$0.38/gal+12%
HOLD SIGNAL

Ammonium sulfate prices track the nitrogen complex. No urgent buy signal; pre-book alongside your N program.

What Is Driving the Price

Industrial sulfur supply

Sulfur is a byproduct of oil and gas refining; supply tracks refining activity.

Nitrogen linkage

Ammonium sulfate contains nitrogen; price tracks both nitrogen and sulfur markets.

Atmospheric deposition decline

Clean Air Act success reduced sulfur deposition from rain, increasing agronomic demand.

Soybean sulfur response

Research showing soybean yield response is driving demand in previously untreated fields.

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