Ammonium Sulfate is great source of Nitrogen with the acidifying addition of Sulfur.
•    Use on Alkaline soils and soils with higher pH.
•    Use on Trees, Shrubs, Flowers and Vegetables.
•    Apply 1/2 lb. per 100 sq. ft. for Flowers & Vegetables Gardens.
•    16 lb. bag will cover 3,200 sq. ft on lawn use
•    Water Generously After Application!

This is the preferred fertilizer of Blueberries, providing the form of Nitrogen that they can use.

Always read and follow label directions