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ReferencesAlbanell E, Plaixats J, Cabrero T (1988). Chemical changes during vermicomposting(Eisenia Andrei) of sheep manure mixed with cotton industrial wastes. Biol.Fertil. Soil, 6: 266-269.Anderson, C. (1980). The influence of farmyard manure and slurry on the earthwormpopulation (Lumbricidae) in arable soil. In: Dindal, D.L. (ed.). Soil Biology asRelated to Land Use Practices. EPA, Washington, DC. pp.325-335.Arancon NQ, Edwards CI, Bierman P (2006). Influences of vermicom-posts on fieldstrawberries: 2. Effects on soil microbiological and chemical properties.Bioresour.Technol, 97: 831-840.Atiyeh RM, Lee Edward CA, Arancon NQ, Metzger JD (2002b). The influence of humicacids derived from earthworm- processed organic wastes on plant growth.Bioresour. Technol., 84: 7-14.Binet F. & Trehen P. (1992). Experimental Microcosm Study of the Role of LumbricusTerrestris (Oligochatea: Lumbricadea) on Nitrogen Dynamics in Cultivated Soils.Soil Biology & Biochemistry, 13 (1), 39-42.Black, C.A.(ed). 1965. Methods of Soil Analysis. Vol.2. Am.Soc., Agron. Madison,Wisconsin, U.S.A.Borowski, E. (1995). Response of tomatoes to NO 3 -N or NH 4 -N applied to sand, loam,and soil substrate. Annales Universitatis Mariae Curie-Sklodowska, 3, 111-118.62
Bostrom, U. (1986). The effect of soil compaction on earthworms (Lumbricidae) in aheavy clay soil. Swedish J. Agric. Res. 16:137-141.Bouche, M.B. (1977). Strategies lombriciennes. In: Lohm, U. and T. Persson (eds.). SoilOrganisms as Components of Ecosystems. Biol. Bull. (Stockholm) 25:122-132.Chan PLS, Griffiths DA (1988). The vermicomposting of pretreated pig manure. Biol.Wastes 24: 57-69.Cortez, J., R. Hameed and M.B. Bouche. (1989). C and N transfer in soil with or withoutearthworms fed with 14 C and 15 N-labelled wheat straw. Soil Biol. Biochem.21(4):491- 497.Curry, J.P. and T. Bolger. (1984). Growth, reproduction and litter and soil consumptionby Lumbricus terrestris in reclaimed peat. Soil Biol. Biochem. 16:253-257.Darwin, C. R. (1881). The formation of vegetable mould, through the action of worms,with observations on their habits. London: John Murray.Daniel, O. Anderson, J.M. (1992), Microbial biomass and activity in contrasting soilmaterials after passage through the gut of the earthworm Lumbricus rubellusHoffmeister. Soil Biology & Biochemistry, 24 (5), pp. 465–470.Devliegher, W. & Verstraete, W. (1997). The effect of Lumbricus terrestris on soil inrelation to plant growth: effects of nutrient-enrichment processes (NEP) and gutassociatedprocesses (GAP). Soil-Biology-and-Biochemistry, 29(3/4), 341-346.63
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Mekelle UniversityThe School of Gra
Page 3 and 4:
AbstractVermicomposting is the proc
Page 5 and 6:
AcronymsANRS-----------------------
Page 7 and 8:
4.2 DISCUSSIONS ...................
Page 9 and 10:
Chapter 1: Introduction1.1 Backgrou
Page 11 and 12: ConclusionUSCIRF has and will conti
Page 13 and 14: Introduction of earthworms to areas
Page 15 and 16: 1.4 General objectiveThe objective
Page 17 and 18: segments of sexually mature individ
Page 19 and 20: scab fungus, spores of which are tr
Page 21 and 22: compaction caused by agricultural t
Page 23 and 24: 2.6 Palatability of the Substrata t
Page 25 and 26: circumstances. As Eisenia foetida t
Page 27 and 28: the field. Lumbricus terrestris is
Page 29 and 30: earthworms were added to soil made
Page 31 and 32: 2.14 Production of Earthworm CastsA
Page 33 and 34: sand, respectively (Borowski, 1995)
Page 35 and 36: A recent study found that earthworm
Page 37 and 38: Chapter 3: Materials and Methods3.1
Page 39 and 40: exchangeable capacity using ammoniu
Page 41 and 42: And the three ingredient equation f
Page 43 and 44: The four-ingredient equation for mo
Page 45 and 46: Without earthwormPredetermined mixW
Page 47 and 48: Chapter 4: Results and Discussions4
Page 49 and 50: Figure 2: Effects of C/N ratio on C
Page 51 and 52: Figure 4: Effects of C/N ratio on C
Page 53 and 54: 4.2 DiscussionsAddition of earthwor
Page 55 and 56: earthworm dead tissue, nitrogen exc
Page 57 and 58: esults were found by Ndegwa and Tho
Page 59 and 60: is bound in organic matter in a for
Page 61: Therefore, developing countries lik
Page 65 and 66: Gerard, B.M. and R.K.M. Hay. (1979)
Page 67 and 68: Marinissen, J.C.Y. Dexter, A.R. (19
Page 69 and 70: Rao S, Subba Rao A, Takkar PN (1996
Page 71 and 72: Simek, M. and V. Pizl. (1989). The
Page 73 and 74: www.vermico.comYeates, G.W. (1981).
Page 75 and 76: 2: Calculated Mass of Ingredients u
Page 77 and 78: Ingredient % Moisture % Carbon % Ni
Page 79 and 80: Ingredient % Moisture % Carbon % Ni
Page 81 and 82: 4: Data analysis using JMP modelTab
Page 83 and 84: Table 2. Oneway Analysis of Organic
Page 85 and 86: Table 3. Oneway Analysis of Availab
Page 87 and 88: Table 4. Oneway Analysis of Total N
Page 89 and 90: Table 5. Oneway Analysis of CEC (cm
Page 91 and 92: Table 6. Oneway Analysis of Ex. Ca
Page 93 and 94: Table 7. Oneway Analysis of Ex. K (
Page 95 and 96: Table 8. Oneway Analysis of Ex. Mg
Page 97 and 98: Table 9. Oneway Analysis of Ex. Aci
Page 99: 5: Summary of number of Earthworm f
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