What is a key feature of a hydraulic sprayer?

A key feature of a hydraulic sprayer is that it delivers the correct rate of chemical uniformly. This is crucial in pest control applications, as uniform delivery ensures that the chemicals are spread evenly across the targeted area, maximizing effectiveness while minimizing waste and potential harm to non-target organisms. Proper calibration of the sprayer allows for precise application rates, which is vital for both efficacy and safety.

Conversely, the other options do not characterize hydraulic sprayers accurately. For instance, the notion that they operate only in dry conditions is misleading, as they can be used in various environmental conditions, provided that safety and effectiveness are maintained. Similarly, while hydraulic sprayers can be employed in agricultural settings, they are not exclusively for large-scale agriculture; they can be used in residential settings as well. Additionally, storage of chemicals is not a primary function of hydraulic sprayers; they are primarily designed for the application of liquid chemicals rather than their storage.