Which of the following is essential for accurate pesticide application?

Calibrating the sprayer is essential for accurate pesticide application because it ensures that the correct amount of pesticide is being applied to the target area. This process involves adjusting the sprayer to deliver a specific volume of pesticide solution per unit area, which helps to achieve effective pest control while minimizing the risk of environmental damage and waste. Proper calibration accounts for factors such as sprayer speed, nozzle size, and application rate, ensuring that the pesticide is distributed evenly and precisely.

On the other hand, using only liquid formulations may not always be necessary, as there are effective solid and granular formulations that can also be applied accurately. The highest possible pressure may lead to a fine mist that can drift away from the target, potentially harming non-target areas and reducing effectiveness. Choosing the largest spray pattern may not improve accuracy; instead, focusing on the appropriate spray pattern for the specific application can enhance coverage and effectiveness.