AdvanSix | Ammonium Sulfate

Estimate Your Return

Estimate the value of your sulfur investment under sulfur-responsive conditions with ROSI™, our return on sulfur investment calculator.


Sized to Fit Your Needs

Learn more about how our granular, mid and soluble sizes can boost your crop yields.

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A Better Feed

Sulf-N® provides 900 pounds of plant food per ton, which makes better use of your fertilizer bins.

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Ask the Agronomist

AdvanSix's staff agronomist is available to help you get the most out of your ammonium sulfate investment.

Ask Your Questions

    Sulf-N® Ammonium Sulfate Fertilizer

    AdvanSix Sulf-N® ammonium sulfate (21-0-0-24S) is a high-analysis fertilizer that provides efficient nitrogen and readily-available sulfur to crops. Available in granular, mid and soluble sizes, it is designed to fit the needs of your specific application. As one of the world’s largest and most reliable ammonium sulfate producers, AdvanSix can offer the quality and technical expertise you need each growing season.


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