MORPHOGENETIC AND STRUCTURAL CHARACTERISTICS OF GUINEA GRASS PASTURES UNDER ROTATIONAL STOCKING STRATEGIES
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Cambridge Univ Press
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The objective of this study was to evaluate morphogenetic and structural characteristics of Guinea grass pastures subjected to two grazing frequencies (90 and 95% light interception) and two post-grazing heights (30 and 50 cm), during the rainy season and dry year. The leaf appearance rate varied only in the summer, the grazing pastures managed at 90/50 (light interception/post-grazing height) presented higher values in the leaf appearance rate (0.440 leaf/tiller. day), compared with those managed at 90/30 (0.275 leaf/tiller. day) and 95/50 (0.228 leaf/tiller. day), respectively. In the winter/beginning of the spring, pastures managed at 90/30 (0.03 cm/tiller.day) presented lower stem elongation rate in comparison with those managed at 90/50 (0.19 cm/tiller.day) and 95/30 (0.16 cm/tiller.day). Management strategies do not compromise the tissue flow in tillers and, consequently, can be utilized for the management of Guinea grass.
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Experimental Agriculture. New York: Cambridge Univ Press, v. 54, n. 2, p. 243-256, 2018.
