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Biblioteca Effect of cutting height on forage production of Brachiaria sp. in the piedmont Plains of Colombia

Effect of cutting height on forage production of Brachiaria sp. in the piedmont Plains of Colombia

Effect of cutting height on forage production of Brachiaria sp. in the piedmont Plains of Colombia

Resource information

Date of publication
Dezembro 2011
Resource Language
ISBN / Resource ID
AGRIS:CO2013003781
Pages
107-112

To determine the effect of cutting height on forage production of the grass species Brachiaria decumbens, Brachiaria humidicola, Brachiaria dictyoneura, and Brachiaria brizantha this experiment was carried out at Corpoica’s La Libertad Research Center (Villavicencio, Colombia), under typical conditions found in the piedmont region heights were evaluated 0, 5, 10 and 20 cm in pastures B. decumbens, B. humidicola, B. dityoneura cv. Llanero and 0, 10, 20 and 30 cm for B. brizantha cv. Toledo. The evaluations were conducted during the rainy and dry seasons of 2009 and 2010. Greater biomass production was observed in in the grasses given greater cutting heights. The cuts made at lower heights negatively affected the forage production of the four grasses tested and resulted in a decrease in ground cover, especially in the B. brizantha cv. Toledo. Keywords: grazing intensity, cutting height, ground cover.

Para determinar el efecto de la altura de corte sobre la producción de forraje de los pastos Brachiaria decumbens, Brachiaria humidicola, Brachiaria dictyoneura y Brachiaria brizantha, se realizó en el Centro de Investigaciones La Libertad de Corpoica (Villavicencio, Colombia), bajo condiciones representativas del piedemonte la evaluación de las alturas 0, 5, 10 y 20 cm en los pastos B. decumbens, B. humidicola, B. dityoneura cv. Llanero y 0, 10, 20 y 30 cm en el paso B. brizantha cv. Toledo, durante las épocas lluviosa y seca de los años 2009 y 2010. Los resultados con mayor producción de biomasa correspondieron a los tratamientos con mayores alturas de corte. Los cortes realizados a baja altura afectaron negativamente la producción de forraje de los cuatro pastos evaluados y ejercieron una disminución de la cobertura del suelo especialmente en el B. brizantha cv. Toledo. Palabras clave: intensidad de pastoreo, defoliación en pastos, cobertura.

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Author(s), editor(s), contributor(s)

Álvaro Rincón Castillo

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Geographical focus