A commercial pesticide applicator must have knowledge of which aspect of pesticide application?

A commercial pesticide applicator must possess knowledge of the effects of pesticides on non-target organisms to ensure environmental safety and public health. Understanding how pesticides interact with various organisms other than the intended pests is crucial for minimizing unintended harm. This includes awareness of beneficial insects, wildlife, and plant species that could be adversely affected by pesticide applications.

This knowledge not only informs the applicator's choices in pesticide selection but also aids in planning and implementing application strategies that mitigate risks. Recognizing the potential impact of pesticides on the ecosystem supports responsible usage, helps maintain biodiversity, and complies with regulations designed to protect the environment and non-target species.