Which variable does NOT affect the product rate of granular applicators?

The variable that does not affect the product rate of granular applicators is the color of granules. When applying granular products, the rate at which the material is spread is influenced by several factors directly related to the physical properties of the granules.

The size, shape, and density of the granules all play crucial roles in determining how effectively they can be distributed over a surface.

• The size of granules can directly impact how they flow through the applicator and how they settle on the ground, affecting application uniformity. Smaller granules may flow more easily and cover ground differently than larger ones.

• The shape of granules can also influence their movement and how they spread upon application. Certain shapes may create more resistance or alter the path of dispersion.

• The density of granules affects how many granules can fit into a given volume and how they impact the rate at which they are delivered. Denser materials may weigh more, affecting the calibration of the applicator.

In contrast, the color of the granules does not influence their physical movement or distribution characteristics during application. Therefore, while the other factors are critical for effective application rates and uniformity, the color remains irrelevant in this context.