Which of the following are common adjustments to improve spray coverage?

• A. Increase gallonage, change nozzles, adjust application height, use drop nozzles.
• B. Decrease gallonage and use the same nozzle.
• C. Increase speed and use fewer drops.
• D. Change pesticide type only.

Answer: (A)

Improving spray coverage comes from delivering the product so that more of it actually lands on the target and stays there. Increasing gallonage adds more solution per area, which helps ensure leaf surfaces and canopy spaces receive adequate deposit, especially in dense turf or ornamentals. Changing nozzle types or patterns lets you tailor how the spray is broken into droplets and distributed across the canopy—some nozzles provide more uniform coverage, better penetration into leaves, or reduced drift. Adjusting the application height helps maintain the right spray swath and overlap, so you don’t miss spots or spray too high above the target. Drop nozzles place spray closer to the foliage, improving contact on dense canopies and taller plants where traditional spraying might miss lower leaves.

If you decrease gallonage, apply at a higher speed, or use fewer drops, you’ll likely reduce coverage and create gaps. Simply changing the pesticide type doesn’t address how the spray is deposited, so it won’t reliably improve coverage.