Why Ammonium Sulfate Still Holds Its Ground in Industrial Applications Having worked in industrial equipment and chemical supply for quite a stretch, ammonium sulfate is one of those substances that keeps popping up — whether you’re managing soil nutrition or calibrating chemical processes. It’s interesting how something so “old-school” is still very much a staple in many industries. Pretty much everywhere you look, there’s a use case: from boosting crop yields to acting as a precursor in specialty chemical manufacturing. Ammonium sulfate’s appeal is twofold: it serves as a solid nitrogen sour…