Abstract
The adoption of a performance indicator (PI) encompassing two important variables when analyzing the performance of granular spreaders; the rate accuracy and swath uniformity distribution, is proposed. During comparison tests, field personnel often have difficulty interpreting both variables without knowing which one outweighs the other in importance. To demonstrate the usefulness of such indicator, 10 units of two different spreader manufactures and two common turf fertilizers were analyzed for performance. The Vigoro spreader model 15,000 used in conjunction with a more uniform, small granule turf fertilizer scored more units with higher PI than any other combination.
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