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
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.












