What effect does using low pressures during herbicide applications have?

Using low pressures during herbicide applications greatly reduces the risk of off-target drift. This is because lower pressure results in larger droplet sizes, which are less susceptible to being carried away by wind. When herbicides are sprayed at high pressure, the nozzle generates a finer mist of droplets that can easily drift away from the target area, especially in windy conditions. By using lower pressures, applicators can create heavier droplets that settle more quickly and are less likely to be blown by wind, thereby helping to ensure that the herbicide stays on the intended area, minimizing the potential for environmental contamination and damage to non-target plants or areas.

This practice is crucial for maintaining effective pest management while also adhering to safety and regulatory standards in herbicide use.