Southern Ag Manganese Sulfate is a dry fertilizer that is specially formulated to help correct and prevent Manganese deficiency in plants and palms. Leaves with yellow areas between veins and frizzle top are most common problem in trees, vegetables, shrubs, landscapes and palms which usually cause damage and harm to plants. It comes in a fine powder formulation with no mixing or spraying required to make application easier. Available in 5 lb. and 25 lb. bag.