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Knollenberg, W.G., R.W. Merritt, and D.L. Lawson. (1985). Consumption of leaf litterby Lumbricus terrestris (Oligochaeta) on a Michigan woodland floodplain. Am.Midl. Nat. 113(1):1-6.Lal, R. (1998). Soil quality and Sustainability. In: Methods for Assessment of SoilDegradation. (Eds: Lal, R.; Blum, W.H.; Valentins, C.; Stework, B.A.) CRCpress, New York, 17-30.Lavelle, P., Melendez, G., Pashanasi, B., Schaefer, R. (1992). Nitrogen mineralizationand reorganization in casts of the geophagous tropical earthworm Pontoscolexcorethrurus (Glossoscolecidae). Biology and Fertility of Soils, 14 (1), 49-53.Lee, K.E. (1985). Earthworms, their ecology and relationships with soils and land use.Academic Press. New York, NY.Lofs-Holmin, A. (1983). Earthworm population dynamics in different agriculturalrotations. In: Satchell, J.E. (ed.). Earthworm Ecology from Darwin toVermiculture. Chapman and Hall. London. pp. 151-160.Lui, S. X., Xiong, D. Z., Wu, D. B. (1991). Studies on the effect of earthworms on thefertility of red-arid soil. Advances in management and conservation of soil fauna,Proceedings of the 10th International Soil Zoology Colloquium, held atBanglador, India, August 7-13.Mackay, A.D. and E.J. Kladivko. (1985). Earthworms and rate of breakdown of soybeanand maize residues in soil. Soil Biol. Biochem. 17(6):851-857.66
Marinissen, J.C.Y. Dexter, A.R. (1990). Mechanisms of stabilization of earthworm castsand artificial casts. Biology & Fertility of Soils, 9 (2), 163-167.Martin, A. & Lavelle, P. (1992). Effect of Soil Organic Matter Quality on its Assimilationby Millsonia Anomala, a Tropical Geophagous Earthworm. Soil Biology andBiochemistry. 24, 1535,Martin, N.A. (1977). Guide to the lumbricid earthworms of New Zealand pastures. NewZealand J. Exp. Agric. 5:301-309.Mather, J.G. and O. Christensen. (1988). Surface movements of earthworms inagricultural land Pedobiologia 32:399-405.McInerney, M. & Bolger, T. (2000). Temperature, wetting cycles and soil texture effectson carbon and nitrogen dynamics in stabilized earthworm casts. Soil Biology &Biochemistry, 32, 335-349.Mitiku Hailu, Karl Herweg, Brigtta Stilihardt,.(2006). Sustainable Land Management ANew Approach to Soil and Water Conservation in Ethiopia. Land ResourceManagement and Environmental Protection Department Mekelle University,Ethiopia and Center for Development and Environment (CDE), Swiss NationalCenter of Competence in Research (NCCR) North-South university of Bern,Switzerland.Ndegwa, P.M.; Thompson, S.A. 2000. Effects of C-to-N ratio on vermicomposting ofbiosolids. Bioresour-technol., 75 (1), 7-12.67
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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 and 62: Therefore, developing countries lik
Page 63 and 64: Bostrom, U. (1986). The effect of s
Page 65: Gerard, B.M. and R.K.M. Hay. (1979)
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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