Which factor should be prioritized to minimize drift while ensuring adequate coverage?

• A. Droplet size
• B. Temperature
• C. Humidity
• D. Nozzle color

Answer: (A)

Droplet size is the key factor because it directly controls how far spray droplets travel before depositing on the target. Smaller droplets are light and can be carried away by air currents, evaporate quickly, and drift off target, while larger, coarser droplets fall more quickly and deposit where you intend it. The challenge is balancing drift with coverage—droplets that are too large won’t cover the surface evenly, but droplets that are too small drift away. So, aim for an appropriate, typically coarser droplet size that minimizes drift while still providing adequate coverage, and support that with proper nozzle choice, pressure, and adjuvants if needed. Environmental factors and other equipment choices can influence drift, but droplet size is what most directly controls the drift potential.