Which of the following is a disadvantage of using granules as a herbicide?

The reasoning that leads to the conclusion about the higher application cost associated with using granules as a herbicide is rooted in the fundamental nature of granular formulations. Granules are often more expensive to manufacture, package, and distribute compared to liquid herbicides. Additionally, their application may require specialized machinery or equipment that could increase operational costs.

In the context of aquatic herbicides, the careful targeting and precise application method necessary to ensure the granules reach the desired area can add to the expense, especially in large bodies of water or areas with significant vegetation density.

While mixing easily with other substances or requiring less specialized equipment can be advantages, these characteristics do not negate the overall cost consideration that adds complexity and potential expense to the use of granular herbicides. Furthermore, effectiveness in wind conditions isn't generally a primary concern for granules as compared to spray applications, where drift might be a significant issue.