Which of the following is NOT a consideration in planning a successful aquatic herbicide program?

The focus of a successful aquatic herbicide program primarily involves factors that directly affect the aquatic environment and the target weeds. Proper identification of the weed species is crucial because effective pest control starts with knowing exactly which plants are being targeted. Similarly, the timing of the treatment is vital; applying herbicides at the correct time in the plant's life cycle maximizes effectiveness and minimizes harm. Additionally, understanding the impact on nontarget plants and animals is essential to avoid unintended ecological consequences that may arise from the treatment.

In contrast, the use of pesticides on land does not pertain to the specifics of managing an aquatic environment and does not directly influence the success of an aquatic herbicide program. It focuses outside the aquatic context and, therefore, does not need to be a consideration in planning such a program.