Evaluación de la estabilidad biológica y química de distintos compost como inóculo en ensayos de biodegradación aerobia. In Press
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La estabilidad biológica y química del compost es fundamental en las pruebas de biodegradación de materiales plásticos. En este estudio, se evaluaron tres compost de diferente composición y procedencia: Finca La Rejoya, Granja Integral Mamá Lombriz y un compost comercial (Abonisa). La estabilidad biológica se analizó mediante un ensayo de germinación con semillas de maíz nativas, pruebas de tolerancia de plántulas de trigo (evaluando rendimiento de semillas, altura, longitud de raíces e índice de clorofila) y la cuantificación de dióxido de carbono (CO?). La estabilidad química se determinó mediante el análisis de carbono orgánico total (COT), nitrógeno, relación carbono/nitrógeno (C/N), sólidos totales (SST), sólidos volátiles (STV) y pH. Los resultados mostraron diferencias significativas entre los compost evaluados. El compost de la Finca La Rejoya presentó condiciones óptimas, con un índice de germinación del 88,89%, rendimiento de semillas del 95,74%, el mayor índice de clorofila (1,83), menor generación de CO? (150,26 mL en 48 horas), una relación C/N de 13,36 y pH de 7,11. Este estudio destaca la importancia de evaluar previamente la estabilidad del compost antes de utilizarlo en pruebas de biodegradación aerobia y concluye que el compost de la Finca La Rejoya es el más adecuado como inóculo para estas aplicaciones.
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