Manganese sulfate (MnSO) has many uses, including:
Agriculture: Used as a fertilizer in soil or as an ingredient in blended fertilizers. It's especially useful for crops grown in alkaline soils, where manganese deficiency is common. Manganese sulfate can also be applied as a foliar spray.
Food: Used as a food additive to add flavor and color.
Medicine: Used in the manufacturing of medicinal drugs and dietary supplements.
Manufacturing: Used in the production of chemicals, textiles, leather, fur, plastic products, mineral products, pulp, and paper.
Metallurgy: Used in steel manufacture as a deoxidizing and desulfurizing additive.
Ceramics and glasses: Used as a coloring agent.
Paper industry: Used for printing and dyeing paper.
Water treatment: Used to treat potable water for radium removal.