What is a Rotary Spreader?
A rotary spreader is a type of spreader that throws fertilizer, seed, pesticides or herbicides out in a circular pattern around the spreader. The other type of spreader used in these applications is a drop spreader. By understanding how each type of spreader works, you can determine if a rotary or drop spreader will best meet your needs. A rotary spreader has at least one metering port. This port is responsible for flinging granules onto the ground. The granules drop through the metering port and onto an impeller that rotates as the spreader is pushed. This action causes the granules to be flung outward from the spreader. The flinging action of a rotary spreader makes even application a problem. The granules are dispersed in a heavier concentration toward the center of the spreader, and become thinner as they land further away. For this reason, when you are applying a product with a rotary spreader, it is important to overlap your path as you go. This allows the areas that receive a li
