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Abstract
El objetivo de este trabajo fue evaluar el efecto de la aplicación de microorganismos eficientes (EM) en el rendimiento productivo de cultivos de lechuga y rábano. El experimento se llevó a cabo en un cultivo organopónico en el municipio de Matanzas, Cuba, desde diciembre de 2017 hasta enero de 2018. Se estudiaron cinco tratamientos: control (0), EM 8 mL m-2 a los 0 días después del trasplante (DAT) (EM 8-0), EM 8 mL m-2 a 15 DAT (EM 8-15), EM 10 mL m-2 a 0 DAT (EM 10-0) y EM 10 mL m-2 a 15 DAT (EM 10-15). Se estableció un diseño de bloques completos al azar con cuatro repeticiones por tratamiento. Se aplicó un ANOVA para realizar el análisis estadístico de datos, y se utilizó la prueba de rango múltiple de Duncan (P<0.05) para comparar las medias. El programa estadístico utilizado fue STATISTICA, versión 6.0 en Windows. Los parámetros evaluados en lechuga fueron el número total de hojas, el número de hojas comerciales, el diámetro de la roseta y el rendimiento. Los parámetros evaluados para el rábano fueron el diámetro y peso de la raíz carnosa y el rendimiento. Los resultados indicaron un efecto positivo en la respuesta de crecimiento con la aplicación del bio-producto, que puede considerarse una alternativa promisoria para la producción de vegetales en condiciones organopónicas de jardín. La aplicación de EM 10 mL m-2 a 0 y 15 DAT mostró el mejor comportamiento productivo para ambos cultivos.
The aim of this work was to evaluate the effect of the application of efficient microorganisms (EM) on the productive performance of lettuce and radish. The experiment was carried out in an organoponic culture in the municipality of Matanzas, Cuba, from December 2017 to January 2018. Five treatments were studied: control (0), EM 8 mL m-2 at 0 days after the transplant (DAT) (EM 8-0), EM 8 mL m-2 at 15 DAT (EM 8-15), EM 10 mL m-2 at 0 DAT (EM 10-0), and EM 10 mL m-2 at 15 DAT (EM 10-15). A randomized complete block design was set with four replications per treatment. An ANOVA was applied to perform the statistical data analysis, and the Duncan’s Multiple Range Test (P<0.05) was used for the comparison of means. The statistic program used was STATISTICA, version 6.0 over Windows. The parameters evaluated in lettuce were the total number of leaves, number of commercial leaves, the diameter of leaf rosette, and yield. The evaluated parameters for radish were fleshy root’s diameter and weight, and yield. The results indicated a positive effect on growth-response with the application of the bio-product, which can be considered a promissory alternative for vegetable production in organoponic garden conditions. The application of EM 10 mL m-2 at 0 and 15 DAT showed the best productive behavior for both crops.
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