Coastal Herbicide 2.5 gal is applied at 64 fl oz per acre (minimum) to 113 fl oz per acre (maximum) per application.
This breaks down to 1.5 fl oz per 1,000 sq ft to 2.5 fl oz per 1,000 sq ft per application.
The Coastal Herbicide product label states "The use rates of this product range from 48 oz per acre up to the maximum rate of 64 oz per acre per application with a maximum of 113 fl.oz. per acre per year. Length of control duration, size and spectrum of weeds controlled post-emergence increase with the higher use rates. The use of a spray adjuvant is required to obtain post-emergence weed control (see Mixing Instructions). Mix the recommended rate of this product with water and apply in a spray volume of 10 to 40 gallons per acre."
The label for Coastal Herbicide 2.5 Gal states: For best results, applications should be applied prior to target weed emergence (except wild onion / garlic and sedges) followed by 0.25 to 0.5 inch of rain or irrigation within 1 - 2 weeks.
For fall/winter applications, you will apply 64 oz. per acre ( Do not apply before September 15). You will mix the recommended rate of this product with water and apply in a spray volume of 10 to 40 gallons per acre. Do not apply more than 2 applications per year or 113 ounces total of Coastal Herbicide per acre per year.