In which situation would droplet evaporation be least concerning during aerial application?

Droplet evaporation is a significant factor to consider during aerial application because it can reduce the effectiveness of the pesticide or herbicide being applied. High temperatures and windy conditions can lead to increased evaporation rates, which is why the early morning with high humidity presents the most favorable conditions.

In the early morning, temperatures are generally cooler, and humidity levels are typically higher. This combination reduces the likelihood of droplets evaporating before they have a chance to reach the target area effectively. Droplets are more likely to remain intact and settle on the intended surface, making the application more efficient and reducing the possibility of pesticide drift.

On the other hand, situations such as hot and windy days or midday applications are more prone to high evaporation rates, negatively impacting the effectiveness of the application and potentially causing environmental and efficacy issues. Oil-based carriers can help with retention but are not the most significant factor when considering overall conditions that affect evaporation. Thus, the choice of early morning with high humidity is the most effective scenario for minimizing droplet evaporation during aerial application.