Ammonium Sulphate is a granulated, solid, inorganic salt mainly used as a soil fertilizer, providing both nitrogen and sulfur for crop production. Sulfur is one of the major macro-nutrients essential for plant growth and nutrition. Ammonium Sulphate is used as direct soil fertilizer or as a component in a dry blend fertilizers.

Monoammonium phosphate (MAP) is a widely used source of phosphorus (P) and nitrogen (N). It’s made of two constituents common in the fertilizer industry and contains the most phosphorus of any common solid fertilizer.