Which factor does NOT influence the effectiveness of aerial application?

The effectiveness of aerial application is influenced by various operational factors that directly impact the application process and the behavior of the chemicals being applied. Weather conditions, for example, play a crucial role as they affect wind speed, temperature, humidity, and precipitation, all of which can influence how well the chemical disperses and adheres to the target area.

The type of aircraft used also impacts effectiveness since different aircraft have varying capabilities in terms of payload, speed, maneuverability, and the technology employed for application. Each of these can affect how accurately and efficiently the application is performed.

The time of day for application can affect various factors like temperature and wind patterns, which can impact the volatility of the chemicals being applied, their drift potential, and their overall effectiveness in targeting pests or crops.

In contrast, the color of chemical containers does not influence the aerial application process itself or the effectiveness of the chemicals when applied. While container color may have a minor effect on temperature regulation of the chemicals inside, it does not directly affect how well a chemical performs once applied or how the aerial application process is conducted. Therefore, it is the irrelevant factor in terms of aerial application effectiveness.