Directed application is aiming the pesticide at a portion of a plant, animal or structure. A drench application means to saturate the soil with a pesticide. Spot treatment is the application of a pesticide to a small, specific area. Various formulations of pesticides are available and you should be familiar with them before you use them. These formulations should be mixed with water to form an emulsion in your spray tank.
Emulsifiable concentrates become milky looking when mixed with water.
Flowables , also referred to as F or L are mixed with water to form a suspension in your spray tank. Aerosols are low-concentrate solutions, usually applied as a fine spray or mist indoors. Some are sold in pressurized cans. Dry formulations include dusts which usually have a D on the label. Dusts must be used dry.