Structural components of Chetumal grass at different grazing management
DOI:
https://doi.org/10.29312/remexca.v0i24.2354Keywords:
forage accumulation, frequencies, grazing intensitiesAbstract
The objective was to study the effect of different grazing frequencies and intensities on the structural components of a Brachiaria humidicola grassland. The cutoff frequencies were at 21 and 28 d and the intensities were 9-11 and 13-15 cm high. Variables were analyzed in a randomized block design with a 2 x 2 factorial arrangement. Forage accumulation, stem dynamics and leaf growth rate were determined. In the rainy season 67 and 64% of the annual forage production were concentrated, grazing on 21 and 28 d, respectively. Stem density during the rainy season was 11% higher in the first cycle, 11 and 20% in the north of both cycles when grazing every 21 days. The rate of appearance of stems in the rainy season decreased 21% by expanding the interval between grazing from 21 to 28 days, respectively. The greatest forage accumulation, leaf tissue turnover and weight per stem, was obtained by grazing at a light intensity of 13-15 cm in height every 28 days
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