If a crew is using backpack sprayers with high concentration solutions on a right of way, what type of application are they using?

In the context of using backpack sprayers with high concentration solutions on a right-of-way, the correct identification of their application method is categorized as a low-volume application. This is because low-volume applications typically involve the use of concentrated products delivered in smaller quantities, allowing for effective treatment with less total liquid being applied.

Backpack sprayers are designed for precision and targeted application in areas that may be difficult to reach with larger equipment. Since the application is made with high concentration solutions, it aligns with the low-volume method, which aims to minimize the amount of herbicide or pesticide used while maximizing its effectiveness.

This contrasts with high-volume applications, which would involve larger quantities of diluted solutions spread over a wider area. Cut-stump and basal applications focus on specific techniques for treating woody plants but do not apply to the general usage of backpack sprayers in this context. Therefore, understanding the relationship between concentration, application volume, and equipment used clarifies why this method is best classified as a low-volume application.