The suitability of Eudrilus eugeniae, perionyx excavatus and Eisenia fetida (Oligochaeta) for vermicomposting in southern africa in terms of their temperature requirements

Reinecke, A. J.; Viljoen, S. A.; Saayman, R.J.

doi:10.1016/0038-0717(92)90109-b

Cited by 149 publications

(82 citation statements)

References 14 publications

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“…Recently, Suthar, (2007b) reported a maximum growth rate (mg/worm/day) by P. excavatus between the range of 3.69 ± 0.08 -2.35 ± 0.16 on different feed mixtures (crop residue mixed with cattle solids, farm yard manure and municipal solid waste etc). The difference between the present and past studies (Kale, et al, 1982;Reinecke, et al, 1992;Edwards, et al, 1998;Suthar, 2007a and b) on the maximum weight increase and growth rate in composting earthworm could be due to the difference in substrate quality or due to fluctuating environmental conditions. Moreover, it is also concluded that the observed difference between P. sansibaricus and P. excavatus for growth rate was due to the species-specific growth patterns or could be related to the feed preferences by individual earthworm species.…”

Section: Resultscontrasting

confidence: 46%

Vermicomposting of domestic waste by using two epigeic earthworms (Perionyx excavatus and Perionyx sansibaricus)

Suthar

Singh²

2007

Int. J. Environ. Sci. Technol.

181

103

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ABSTRACT:The composting potential of two epigeic earthworms (P. excavatus and P. sansibaricus) was studied in 2002 to breakdown the domestic waste under laboratory conditions. The experimental container with P. sansibaricus showed maximum mineralization and decomposition rate than that of P. excavatus. Except for exchangeable K (it was higher (P = 0.004) in a container with P. excavatus), the domestic waste processed by P. sansibaricus showed about 6% more total nitrogen (P = 0.002) and about 7% more available P (P = 0.269) at the end than by P. excavatus. As compared with the initial level organic C content as well as C:N ratio showed a considerable reduction that was noted higher in substrate with P. sansibaricus than those by P. excavatus (organic C, t-test: P = 0.870; C:N ratio, t-test: P = 0.002). The growth (biomass increase) and reproduction parameters such as mean individual live weight, maximum individual growth rate (mg wt./worm/day), number of cocoons and reproduction rate (cocoon/worm/day) were higher in bedding with P. sansibaricus. The maximum earthworm mortality was in vermibed having P. sansibaricus (∼50% higher than by P. excavatus) (t-test: P = 0.423), since both species did not show a drastic difference in waste mineralization rate, but comparatively, P. excavatus exhibited better growth and reproduction performance, which further support the suitability of the species for large scale vermiculture operations.

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Section: Resultscontrasting

confidence: 46%

Vermicomposting of domestic waste by using two epigeic earthworms (Perionyx excavatus and Perionyx sansibaricus)

Suthar

Singh²

2007

Int. J. Environ. Sci. Technol.

181

103

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“…The other two species are also free-living in their places of origin: Eudrilus eugeniae under savanna soils of west Africa and Perionyx excavatus in the Himalayan regions (Gates, 1972) as well as being bred conmiercially in worm farms (eg Reinecke et al, 1992). The following day, on 20th March 1992, about 15 sorghum (Sorghum bicolor) seeds (free from anti-fiingal dressing) were planted in each core.…”

Section: Conclusion and Discussionmentioning

confidence: 99%

“…Moisture contents for organic substrates are not directly comparable with soils, however, most of these findings confirm that this worm prefers saturated conditions. Optimum temperature ranges have been reported as 15.7°-23.2°C (Grant, 1955b) and 20°-29°C (Kaplan et aL, 1980), while tolerance of below 5°C to above 43°C have recently been reported by Reinecke et al (1992). The typical habitat of this species is in decomposing compost, where it may experience high temperatures, Eisenia fetida is not generally found under field conditions, its inclusion in the current experiments was for comparative purposes and, in agreement with earlier studies, it migrated entirely into the 25% moisture soil and select temperatures between 15°to 30°C.…”

Section: (B) Moisture and Temperature Gradientsmentioning

confidence: 99%

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Earthworms of South East Queensland and their agronomic potential in brigalow soils

Blakemore¹

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Bob Myers followed opportunities overseas and passed the supervisory reins to Vic Catchpoole. In this role Vic has been a constant source of encouragement and consolation; not only has he kept the project on track and checked the reports he has also readily lent a hand.Professor Jamieson has generously provided advice, access to his extensive library at Queensland University and critical appraisal of parts of the manuscript.I wish to extend my thanks to the CSIRO scientists and staff at the Cunningham Laboratory who have provided me every assistance. Field work was made pleasurable through the kindly support of the folks at the CSIRO field stations: special thanks go to the station manager, Keith Gould, and staff at Narayen and to Peter Grant and staff at Samford. Contacts with fellow worm workers in various other states have made me feel less isolated in Queensland, thanks Beverley and Tim (and family).Casual aisiitattts clieerfai% toterated the inud% moiiotonf of ttie |las §1iouie work and aadurad tte tot d^ field condittoiii (which we iometimes prodaimed a *'isli's nlglittiiiafel

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“…The potential utilization of Perionyx excavatus, a shallow burrowing tropical Asian species [14,38] distributed from the Himalayan Mountains to the plains of South India [20], in organic waste management has been reported by various authors [13,17,18,20,21,26,29,30].…”

Section: Review Of Literaturementioning

confidence: 99%

Effect of Initial Substrate Ph on Vermicomposting Using Perionyx Excavatus (Perrier, 1872)

Singh¹

2006

Appl Ecol Env Res

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Abstract. In view of the growing awareness about vermicomposting technology in recycling different types of organic wastes, this study was conducted to investigate the effect of initial substrate pH on vermicomposting. The substrate pH and ash content were evaluated as a function of time. The data showed an exponential relationship between substrate pH and time of vermicomposting while a phase Bode plot of a single zero system relationship between the ash content and time of vermicomposting. The model parameters of these relationships also had very good correlation with the initial substrate pH. On the basis of obtained correlation between model parameters and initial substrate pH, generalized predictive models for the substrate pH and ash content have been evolved in terms of the duration of vermicomposting and the initial substrate pH. Plots of the predictive and experimentally observed values indicated a high robustness of predictive models. The study also revealed that the earthworm species Perionyx excavatus performs well in a wide range of substrate pH. Near neutral initial substrate pH was found to be optimal for stabilization of waste with minimal processing time. The substrates having strong acidic initial pH were found to be less suitable for vermicomposting.

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The suitability of Eudrilus eugeniae, perionyx excavatus and Eisenia fetida (Oligochaeta) for vermicomposting in southern africa in terms of their temperature requirements

Cited by 149 publications

References 14 publications

Vermicomposting of domestic waste by using two epigeic earthworms (Perionyx excavatus and Perionyx sansibaricus)

Vermicomposting of domestic waste by using two epigeic earthworms (Perionyx excavatus and Perionyx sansibaricus)

Earthworms of South East Queensland and their agronomic potential in brigalow soils

Effect of Initial Substrate Ph on Vermicomposting Using Perionyx Excavatus (Perrier, 1872)

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