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Defoliation Effects on Production and Nutritive Value of Four Irrigated Cool-Season Perennial Grasses

^a Dep. of Agronomy and Horticulture, Univ. of Nebraska-Lincoln, West Central Research and Extension Center, 461 West University Dr., North Platte, NE 69101
^b Dep. of Agronomy and Horticulture, Univ. of Nebraska, P.O. Box 830915, Lincoln, NE 68583

View larger version (34K): [in this window] [in a new window]   Fig. 1. Growth rate of four irrigated, cool-season grasses as affected by repeated clipping to 7-, 14-, and 21-cm stubble heights after attaining a 35-cm target height, 2003 and 2004. Curves were derived from cubic regression models. For clarity, actual values are not shown. All models were significant at P < 0.01.