What is the method used by ULV systems to produce fine droplets?

The method used by ULV (Ultra Low Volume) systems to produce fine droplets is through the shear action of air. This technique involves the use of air to create a fine mist of droplets, which are essential for effective pesticide application.

In ULV systems, a small volume of pesticide is used, and the droplets must be fine enough to ensure that they remain suspended in the air for an extended period, allowing for better distribution and coverage of the target area. The shear action of air occurs when the pesticide is forced through a narrow opening or nozzle, where the rapid movement of air interacts with the liquid pesticide, breaking it into very fine droplets.

This method is particularly advantageous because it allows for precise application while minimizing pesticide wastage and reducing environmental impact. The focus on achieving a high level of droplet quality is crucial for the effectiveness of pest control measures.

Other methods, like mixing under high pressure or mechanical agitation, might not produce the desired droplet size or distribution that ULV systems require. Additionally, direct pressure from tanks is more commonly used in traditional spraying methods where larger droplet sizes are adequate.