Efecto del riego sobre la producción de biomasa y componentes del pasto dallis (Paspalum dilatatum) y pasto Bahía (P. notatum) en Uruguay
DOI:
https://doi.org/10.17138/tgft(11)22-30Resumen
El uso de riego en sistemas de producción de forraje basados en gramíneas perennes C4 se ha visto limitado debido a las respuestas erráticas de la producción de biomasa a la irrigación. Se estudió el efecto de tres niveles diferentes de riego sobre Paspalum notatum y P. dilatatum durante dos temporadas de crecimiento consecutivas. El estado fenológico de las plantas se infirió por la proporción de componentes lámina y no lámina. Los resultados mostraron que la composición fenológica del forraje se vio afectada por el riego, aunque no resultó en un aumento en el rendimiento anual, ambas especies mostraron cambios en la distribución de la acumulación de materia seca entre las diferentes partes aéreas de la planta. Futuras investigaciones sobre estas especies deberían estudiar el efecto del déficit de humedad sobre la fenología, para comprender mejor los efectos del riego.
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