Why is calibration important?

• A. Increases pest damage.
• B. Ensures proper application rates, preventing more pest damage.
• C. Reduces time spent calibrating.
• D. Harms beneficial insects.

Answer: (B)

Setting the spray rate accurately over a turf area is crucial because it determines the actual amount of active ingredient reaching the target pests at the label-recommended rate. When calibration is done, you apply the right amount, which helps achieve effective pest control without under- or over-application. Under-application can leave pests alive and turf damaged, while over-application wastes product, increases risk of turf injury and environmental impact, and can promote resistance. Calibration also promotes uniform coverage and reduces drift, saving money and protecting non-target organisms, including beneficial insects, by avoiding unnecessary excess. It’s a step that pays off in better control, cost efficiency, and stewardship of the turf and surrounding ecosystem. Choosing to skip or rush calibration can lead to misapplication, whereas proper calibration makes the process predictable and compliant with label guidance.