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espanolIntroduccion. La actividad ganadera, se desarrolla en pastoreo como principal recurso alimenticio. En el centro y norte de Argentina se estan introduciendo pasturas con mayor produccion de biomasa y capacidad de mantener la calidad forrajera mas tiempo. Objetivo. El objetivo de este trabajo fue evaluar la produccion de materia seca (kg MS.h-1), numero de macollas y relacion hoja:tallo (H:T) de Panicum maximum cv Gatton panic, a dos alturas, tres frecuencias de corte y dos tiempos de muestreo. Materiales y metodos. El ensayo se desarrollo entre abril de 2011 y mayo de 2012. Se evaluaron dos alturas (0,15 y 0,30 m) y tres frecuencias de corte (30, 45 y 90 d), en dos periodos (90 y 180 d), para lo cual se empleo un diseno completamente al azar con un arreglo factorial de 2 x 3 x 2. Resultados. Se encontro interaccion entre las variables: altura (A) x frecuencia (F). La mayor produccion de materia seca (MS) se observo con la menor altura y la mayor frecuencia de corte (0,15 m y 90 d), con 1877,2 kg MS.ha-1. Para el numero de macollas la interaccion A x F mostro diferencia (p EnglishIntroduction. Livestock activity is developed in grazing as the main food resource. In central and northern Argentina new planted pastures are being used with higher biomass production and ability to keep forage quality longer. Objective. The objective of this study was to evaluate the production of dry matter (kg MS.ha-1), number of buds, and relation leaf:stem (H:T) of Panicum maximum cv. Gatton panic in two heights, three cutting frequencies, and two sampling periods. Materials and methods. The study was developed between April 2011 and May 2012. Two heights (0,15 and 0,30 m) and three cut-off frequencies (30, 45 and 90 d) were evaluated in two periods (90 and 180 d), using a completely randomized design with a factorial arrangement: 2 x 3 x 2. Results. Interaction between the variables (A) x height frequency (F) was found. The highest dry matter (MS) production was observed with the lowest height and the highest cutting frequency (0.15 m and 90 d) with 1877.2 kg MS.ha-1. For the number of buds the interaction A x F showed difference (p

Frecuencia y altura de corte en Panicum maximum cv Gatton Panic