Calidad de compost obtenido a partir de estiércol de gallina, con aplicación de microorganismos benéficos
DOI:
https://doi.org/10.17268/sci.agropecu.2019.03.05Keywords:
Consorcios microbianos, compostaje, industria avícola, estiércol.Abstract
El objetivo de esta investigación fue evaluar la calidad del compost obtenido a partir de estiércol de gallinas, con inoculación de microorganismos benéficos autóctonos. La investigación se realizó durante 13 semanas; a nivel de campo se extrajo consorcios microbianos beneficiosos CMB1de col (Brassica oleracea) y CMB2 de hierba luisa (Cymbopogon citratus) los cuales se inocularon una vez por semana al 5% de concentración en las pilas de compostaje distribuidas en bloque completos al azar con tres repeticiones, se estableció tres tratamientos T1 (CMB1), T2 (CMB2) y T3 (Testigo). Se determinó que los consorcios microbianos benéficos suprimen los malos olores en el proceso de compostaje, a la par aceleran la degradación de la materia orgánica lo cual se evidencia en el mayor contenido de ácidos húmicos en el compost final en comparación con el control: T1 = (3-4%), T2 = (3%), (T3) = 1%. En el compost obtenido con inoculación de CMB1 y CMB2 se determinó mayor actividad biológica: T1 = 3 ug/ml, T2 = 4 ug/ml, T3 = 1 ug/ml, además se identificaron microorganismos benéficos en mayor concentración (log UFC.g-1) así como más alto contenido de nutrientes con respecto al tratamiento testigo, por tanto, de calidad superior.
Author Biographies
Manuel Alvarez-Vera, Subdirección de Posgrados, Universidad Católica de Cuenca (UCACUE). Carrera de Ingeniería Ambiental, Universidad Católica de Cuenca (UCACUE).
Ana Largo, Carrera de Ingeniería Ambiental, Universidad Católica de Cuenca (UCACUE).
Sergio Iglesias-Abad, Carrera de Ingeniería Ambiental, Universidad Católica de Cuenca (UCACUE).
Jorge Castillo, Carrera de Ingeniería Ambiental, Universidad Católica de Cuenca (UCACUE).
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Received March 7, 2019.
Accepted September 9, 2019.
Corresponding author: malvarezv@ucacue.edu.ec (M. Alvarez-Vera).
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