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Fig. 1. Typical blend ratio-vs.-quality graph, with ‘Award’ + ‘Huntsville’ data from the 2002 turfgrass quality mean of the 1999 planting to illustrate the calculated parameters. The slope and pivot point were both significant at the 0.001 level (Table 2). Relationships like this one, with a significant pivot point, indicate that the lower-performance cultivar had no influence on the high-performance cultivar at mixture fractions below the pivot point.
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