What form of pesticide is designed as a dry, solid, and typically applied using soil?

The correct choice is granular pesticides, which are designed specifically as dry, solid formulations. These products are typically larger in particle size compared to other forms and are often applied directly to the soil. Granular formulations are advantageous because they can provide a slow-release action, allowing the active ingredients to persist in the environment over an extended period, which can be particularly effective for controlling pests in soil or as a bait for various insects.

This type of pesticide is beneficial for targeting soil-dwelling pests, and its application method ensures that it can be incorporated into the soil or left on the surface, depending on the target pest. The size of the granules facilitates ease of application and helps minimize drift and off-target contamination, making them safer for the applicator and the surrounding environment.

Other forms, such as dust and wettable powders, are not solid granules but rather are finer formulations that may spread more easily through the air. Liquid concentrates are typically applied in a diluted form and do not align with the characteristics of a dry, solid pesticide. Thus, granular pesticides are uniquely suited for specific use cases involving soil application.