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Abundance of earthworms in Nigerian ecological zones: implications for sustaining fertilizer-free soil fertility
Item type: Journal Article • Journal: African Zoology • Authors: S. O. Owa --- Department of Biological Sciences, Nigeria G. A. Dedeke --- Department of Biological Sciences, Nigeria S. O. A. Morafa --- Department of Soil Science and Farm Mechanization, Nigeria J. A. Yeye --- Department of Geography and Regional Planning, NigeriaThe abundance of earthworms in the ecological zones in Nigeria has been determined and the possibility of earthworm functions replacing both mechanized land preparation and organic fertilizers discussed. The most abundant earthworms, comprising 62 % of the population, were the... -
Influence of pressmud on the development of the ovary, oogenesis and the neurosecretory cells of the earthworm Eudrilus eugeniae (Kinberg)
Item type: Journal Article • Journal: African Zoology • Authors: K. Parthasarathi --- Department of Zoology, India L.S. Ranganathan --- Department of Zoology, IndiaThe histology of brain neurosecretory cells and the development of the ovary and oocytes of preclitellate, early clitellate and late clitellate stages of Eudrilus eugeniae reared in clay loam soil and pressmud have been studied. E. eugeniae reared in pressmud... -
Redescription of Arabella iricolor (Montagu, 1804) with descriptions of two new species from the United Kingdom and South Africa
Item type: Journal Article • Journal: African Zoology • Authors: T Darbyshire --- , Wales, United Kingdom J Kara --- Cape Peninsula University of Technology, South AfricaArabella iricolor (Montagu, 1804) was described with no diagnostic information for the characters used today to distinguish species within the genus. An updated description, together with genetic data, is provided using the holotype in conjunction with additional specimens collected at...