En el sureste de la República Mexicana, en el trópico húmedo, se llevó a cabo un estudio en un cultivo de traspatio (huerto familiar) con el fin de aumentar la fertilidad del suelo mediante la reproducción e inoculación de individuos de las especies Glossoscolecidae sp y Dichogaster saliens (oligochaeta) las cuales tuvieron la mayor tasa de crecimiento diario (3 mg día-1) en sustratos con 1.5 % Mucuna pruriens var. utilis (leguminosa). Cuatro tratamientos con seis repeticiones de 3 x 2 m cada una fueron instalados en el huerto familiar. El contenido de materia orgánica (5.45 ± 1.6%), nitrógeno total (0.27 ± 0.05%), fósforo disponible (40.6 ± 22.5 mg kg-1) y potasio (1.05 ± 0.88 mg kg-1) fueron significativamente superiores (p < 0.05) en aquellas unidades experimentales con lombrices (27 gm-2) en conjunto con Arachis pintoi.
We conducted a study of soil quality in traditional backyards (family orchards) in the tropical humid southeast of Mexico. The aim of the study was to increase soil fertility by the inoculation and reproduction of cultured earthworms and leguminous plants. Individual earthworms of Glossoscolecidae sp and Dichogaster saliens (oligochaeta) were introduced in soils with fresh organic matter. The highest earthworm growth rate (3 mg day-1) was found in substrates with 1.5% Mucuna pruriens var. utilis (leguminous). Cultured earthworms (27 gm2) were introduced during the rainy season. We established four backyard treatments with six replicates 3 x 2 m each. The highest organic matter content (5.45 ± 1.6%), total nitrogen (0.27 ± 0.05%), extractable phosphorous (40.6 ± 22.5 mgkg-1) and potassium (1.05 ± 0.88 mgkg-1) was found in soils treated with earthworms and Arachis pintoi, with a significant difference (p < 0.05) from the control treatment.
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