TerraLink - Model 21-0-0 + 24S - Ag Grade Ammonium Sulphate Brochure
Ammonium Sulphate is used on a variety of agricultural crops as an ingredient in blends or on its own as an additional source of nitrogen in the ammoniacal form. It provides nitrogen in a lower concentration (21 %) than urea while providing additional sulphur for crops that may require it.