Plant Nutrients

Our U.S.-made Sulf-N® ammonium sulfate fertilizer provides the nutrients crops need to thrive.

Farmers rely on our Sulf-N® ammonium sulfate fertilizer to grow healthy crops that nourish the world. With a nutrient analysis of 21-0-0-24S, our fertilizer provides ammonium nitrogen and sulfate sulfur to crops, which means immediate nutrient availability, consistently higher yields and efficient, cost‑effective plant nutrition – all backed by proven university research. Farmers use our product in blends with other fertilizers and in direct applications.

Examples of Use

Sulf-N® ammonium sulfate fertilizer can increase yields in a variety of crops.

WHY AMMONIUM SULFATE?

AdvanSix Sulf‑N® ammonium sulfate fertilizer reduces nitrogen loss and enhances the uptake of phosphorus and micronutrients with less volatilization loss than urea and less leaching and denitrification loss than nitrates.

Sulf-N® Ammonium Sulfate

 
AdvanSix Sulf-N® ammonium sulfate (21-0-0-24S) is a high-analysis fertilizer that provides efficient nitrogen and readily-available sulfur to crops. It is available in granular, standard, mid and soluble sizes. It reduces fertilizer applications—as it can be applied with other fertilizers—to fit short planting and growing windows and supports pre-plant, at-plant, topdress, sidedress and blend programs.

Tools

Crop Yield Research

Studies show how ammonium sulfate fertilizer provides the nutrients crops need to thrive.

Ask The Agronomist

AdvanSix’s resident agronomy expert answers your top questions about soil management and crop yields.

Ammonium Sulfate Faqs

Read answers to frequently asked questions about AMS. 

Ammonium Sulfate On Soybeans

Discover new strategies to maximize soybean yields.

Spanish Resources

Leading research and frequently asked questions available in Spanish.

Portuguese Resources

Leading research and frequently asked questions available in Portuguese.

RESOURCES

TALK TO AN EXPERT

Want to know more about our plant nutrients?
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