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Revista mexicana de ciencias agrícolas

Print version ISSN 2007-0934


LOZA MURGUIA, Manuel et al. Behavior of californian red earthworm and wild earthworm in bovine dung and bovine rumination as substrate. Rev. Mex. Cienc. Agríc [online]. 2010, vol.1, n.4, pp.555-565. ISSN 2007-0934.

In Yungas of department of La Paz, Bolivia is located the community Carmen Pampas, source of natural resources and exquisite biodiversity, lately is being affected by the chaqueos and conventional agricultural activities, due there is not enough data in the region to develop sustainable agricultural alternatives that take care of environment. Taking this into account this work has as purpose to study the behavior of the californian red earthworm (Eisenia spp.) and the wild earthworm (Lumbricus spp.) in two substrates with the aim to improve the quality of vermicompost produced by these annelids. The work has been carried out in the module of Environmental Microbiology, in facilities of Unidad Académica Campesina Carmen Pampa (UACCP), Campus Leahy, located in Coroico Nor Yungas of Departamento of La Paz-Bolivia. Their behavior has been studied in two substrates bovine dung (manure) and bovine rumination (rumination) in 40 experimental units of 0.2 m width*0.25 m length*0.4 m depth, each unit showed a density of 5, 10, 15, 20 and 25 individuals with two repetitions of each one in 1 000 g of substrate. The cocoons number, number of individuals at 8 weeks, and percentage of degradation of the substrate was determined. The results indicate that substrates manure is better in the population dynamics of Eisenia spp., in comparison with Lumbricus spp. The physical and chemical characteristics of manure and rumination possibly influenced in this type of behavior for Eisenia spp.

Keywords : Eisenia spp.; Lumbricus spp.; cocoon; population density.

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