Which statement best describes spray drift characteristics?

• A. Larger droplets have greater drift potential
• B. No drift occurs at low wind speeds
• C. Drift is enhanced by coarse droplets
• D. Smaller droplets have greater drift potential

Answer: (D)

Spray drift is largely about how fast droplets settle out of the air. Smaller droplets have much lower settling velocities, so they stay airborne longer and can be carried by the wind farther from the application site. That makes them more prone to drifting beyond the target area. Larger droplets, by contrast, settle quickly and deposit closer to where you sprayed, reducing drift distance. While wind speed and the overall spray spectrum affect drift, the key idea is that smaller droplets have greater drift potential.