Droplet size affects?

• A. Drift potential
• B. Drip rate
• C. Soil pH
• D. Pesticide potency

Answer: (B)

Droplet size is tied to how the spray is atomized by the nozzle and the operating pressure. Those same settings determine how much liquid is being forced out per unit time. So when you adjust droplet size, you’re typically changing the discharge rate from the nozzle, i.e., the drip rate. That direct link makes drip rate the most relevant effect of droplet size in practical application. Soil pH is a soil property, and pesticide potency is a chemical characteristic that isn’t changed by atomization. While smaller droplets can increase drift under some conditions, the question focuses on what droplet size directly affects in terms of delivery, which is the drip rate.