Which of the following can affect the efficacy of aerial application?

The efficacy of aerial application is influenced by a variety of factors, all of which play crucial roles in determining the success of pesticide delivery. Time of day and temperature can greatly impact the evaporation rate of the pesticide, as certain temperatures can cause more rapid evaporation, reducing the amount of product that reaches the target area. Additionally, environmental conditions such as wind speed and direction can also change during different times of the day, further affecting how effectively the pesticide is dispersed.

The height of the aircraft and the type of pesticide being used are also critical. The appropriate application height ensures that the pesticide is distributed evenly over the target area while minimizing drift. Different pesticides have varying droplet sizes and properties, which can influence how well they adhere to or penetrate the foliage of plants.

Lastly, the skill level of the pilot is paramount. A skilled pilot can make nuanced adjustments in response to changing environmental conditions and ensure accurate application, which is vital to avoid over-spraying or under-spraying. Each of these factors interplays to determine overall application effectiveness, making all of them significant considerations in aerial application practices.