Spray Volume: The amount of water used to apply pesticides. Usually given in gallons/acre or gallons/1,000 square feet.

Broadcast Application: Application of a pesticide in a uniform manner over the areas to be treated.

Spot Treatment: Application directed at specific plants or pests instead of general treatment.

Flat Fan Nozzle: A nozzle that produces a flat, fan shaped spray pattern. Generally used in broadcast application. Produces a wide band pattern but increases potential drift.

Hollow Cone Nozzle: A nozzle that produces a conical spray pattern. Generally used in spot treatment. Produces a narrow pattern, but reduces drift potential.

Rate: The amount of pesticide to be used over a given area. Usually given in ounces per 1,000 square feet or pints per acre.

Area: The number of square feet or acres to be treated.