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Fig. 4. Effect of canopy height on changes in ground cover of vaseygrass (linear, P = 0.04; quadratic, P = 0.01; SE = 2.2), limpograss (not significant, P > 0.33; SE = 6.2), and bermudagrass (linear, P = 0.08; quadratic, P = 0.03; SE = 1.3) over a 2-yr period.