What role does soil moisture play in planning aerial applications?

Soil moisture is a crucial factor in planning aerial applications, particularly when it comes to the timing of herbicide applications. When soil moisture levels are adequate, crops are generally healthier and more resilient, which can enhance the effectiveness of herbicides. If the soil is too dry, crops may experience stress, and applying herbicides during these conditions can lead to reduced efficacy and potential crop injury. Furthermore, if soil moisture indicates that plants are under stress due to drought, it may be best to delay herbicide applications until conditions improve to avoid harming the crops. This timing consideration is vital for maximizing the benefits of the application while minimizing any negative impacts.

The other options relate to different aspects of agricultural practice, but they do not directly connect with how soil moisture influences the timing of the applications.