What is the function of a shaker can in pesticide application?

The function of a shaker can in pesticide application is to evenly apply granular pesticides. This tool is specifically designed to dispense granular materials in a controlled manner, ensuring that the pesticide is spread uniformly across a given area. This even distribution is crucial for effective pest control, as it ensures that all surfaces receive an adequate amount of the pesticide, thereby maximizing its efficacy. Shaker cans typically have a lid with holes or openings that allow the granules to fall out when the can is shaken, facilitating a more consistent application compared to other methods.

In contrast, liquidizing pesticides is not a function of the shaker can; a different type of equipment would be used for that purpose. Filtering pesticides is also not relevant here, as that task is performed using filtration devices designed to remove impurities. Additionally, mixing various nutrients would require different kinds of containers or tools specialized for liquid blending, rather than a shaker can intended for granular materials.