Which pesticide application method involves a uniform spread over a specified area?

Broadcast application is characterized by its ability to distribute pesticide uniformly across a specified area, making it effective for covering large spaces such as fields, lawns, or gardens. This method ensures that the pesticides are evenly spread, which is crucial for achieving consistent pest control and minimizing the risk of localized over-application, which can lead to crop damage or environmental harm.

In contrast, spot application is tailored for targeted areas where pests are present, focusing on specific spots rather than the entire area. Hand application generally involves applying the pesticide manually, which may not guarantee even coverage across a larger field. Direct application typically refers to methods where pesticides are applied directly to specific targets, such as pest infestations, without a focus on uniform coverage across an area.

Thus, broadcast application is the preferred method when uniform spread is essential for effective pest management.