19-0-3 50%SR .42 Barricade 50 lbs

19-0-3 50%SR .42 Barricade 50# Bag Prodiamine. 3 bags per acre is the high application rate for up to 8 months of crabgrass control. 50 lb bag will cover 15,000 sf or ~1/3 of an acres. Weed and Feed Preemergent Herbicide with Fertilizer.