Respuesta Agronómica y Fauna Edáfica de Brassica rapa bajo Lombricompost en el Trópico Ecuatoriano

Braulio Jonnathan  Calixto-Gutiérrez; Rosa Ivanna Campi-Liuba; Juan Javier Carrera-Andrade; Diego Gonzalo  Sánchez-Zorrilla; Claudia Anabel Cando-Noblecilla

doi:10.70171/py57az04

Autores/as

Braulio Jonnathan Calixto-Gutiérrez Universidad Técnica Estatal de Quevedo Autor/a https://orcid.org/0009-0006-8763-9932
Rosa Ivanna Campi-Liuba Universidad Técnica Estatal de Quevedo Autor/a https://orcid.org/0009-0001-9808-1798
Juan Javier Carrera-Andrade Universidad Técnica Estatal de Quevedo Autor/a https://orcid.org/0009-0008-2500-4573
Diego Gonzalo Sánchez-Zorrilla Universidad Técnica Estatal de Quevedo Autor/a https://orcid.org/0009-0008-2269-8442
Claudia Anabel Cando-Noblecilla Universidad Técnica Estatal de Quevedo Autor/a https://orcid.org/0009-0004-3838-2224

DOI:

https://doi.org/10.70171/py57az04

Palabras clave:

agricultura sostenible, biofertilización, fauna edáfica , rendimiento

Resumen

Justificación: El manejo intensivo de hortalizas requiere alternativas que integren productividad, actividad biológica del suelo y viabilidad económica. Objetivo: Evaluar la respuesta agronómica de nabo y la fauna edáfica bajo lombricompost, urea y un control sin fertilización. Metodología: Se ejecutó un diseño de bloques completos al azar con tres tratamientos y tres repeticiones en Valle Hermoso, Santo Domingo, Ecuador. Se aplicaron 240 g de lombricompost por planta, 5 g de urea al 46 % por planta o ningún fertilizante. Se midieron establecimiento, altura a 15, 30 y 45 días, masa fresca a los 45 días, riqueza de familias, abundancia de invertebrados y una relación beneficio/costo proyectada. Las medias se compararon mediante Tukey con un nivel de significación de .05. Resultados: El lombricompost alcanzó 98.67 % de establecimiento, 33.10 cm de altura final y 0.675 kg de masa fresca; superó a la urea en altura y masa. La riqueza no varió entre tratamientos, pero la abundancia fue mayor con lombricompost (12.33 individuos) que con control (5.67) o urea (2.80). El tratamiento obtuvo una relación beneficio/costo de 1.28, equivalente a USD 0.28 de ganancia neta por cada dólar invertido. Conclusión: La dosis evaluada de lombricompost integró mayor crecimiento, biomasa cosechable, abundancia de fauna edáfica y retorno económico potencial, aunque la inferencia ecológica exige muestreos taxonómicos y temporales más robustos.

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