Hi-Yield (32177) Ammonium Sulfate 21-0-0 (4 lbs.)

The Ammonium sulfate supplement provides Nitrogen for a dark green color and rapid growth of plants.

Great for Blueberries but can also be used on lawns, trees, shrubs, flowers and vegetables.

Adds Sulfur to acidify high alkaline soils and soils with higher pH levels.

This 4 lb. bag of Ammonium Sulfate can treat up to 1,000 sq. feet.

Application varies by plant type and size. See label for application instruction.