Why is calibrating a sprayer important?

• A. It ensures the application rate matches the labeled rate
• B. It makes the pesticide more effective
• C. It eliminates the need for PPE
• D. It increases the number of acres sprayed per fill

Answer: (A)

Calibrating a sprayer ensures you apply the product at the rate specified on the label for each acre. The label sets a rate based on the crop, pest, and product chemistry, and calibration translates nozzle output, speed, and pressure into a known amount of product per area. When you calibrate, you can confidently deliver the labeled rate, avoiding applying too little (which may not control the pest) or too much (which wastes product, risks crop injury, and increases environmental impact). This also helps achieve uniform coverage across the field, which is essential for consistent results.

The other options aren’t correct because calibration doesn’t magically make the pesticide more effective by itself, PPE is still required regardless of calibration, and calibration isn’t primarily about increasing acres sprayed per fill—it's about delivering the correct rate per area.