Best 21-0-0 Ammonium Sulfate bag (50 lbs) spray fertilizer When applied early—before pest populations

When applied early—before pest populations are established—results are typically visible within 2–5 days

and many broadleaf weeds when activated by rainfall or irrigation

and other listed turf pests are active

boric acid

Efficient Application: A single injection site can treat an entire irrigation canal system

Best 21-0-0 Ammonium Sulfate bag (50 lbs) spray fertilizer When applied early—before pest populations*Note Best no longer manufactures this product under the Best name so packaging may be different but the product is still the consistency of a large sugar crystal Best Ammonium Sulfate 21 0 0 Fertilizer is a dual purpose, high quality crystalline fertilizer that delivers a quick boost of soluble nitrogen and sulfur to turf and plants. Ideal for rapid greening and vegetative growth, it stimulates soil microorganisms, enhances turf color and density,