Changes in biochemical properties of cow manure during processing by earthworms (Eisenia andrei, Bouché) and the effects on seedling growth

Atiyeh, Rola M.; Domínguez, Jorge; Subler, Scott; Edwards, C. A.

doi:10.1078/s0031-4056(04)70084-0

Cited by 292 publications

(203 citation statements)

References 23 publications

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“…The net effect of more acid and lesser basic formations was manifested as a decrease in the substrate pH at a slower rate up to 30 days after which the substrate pH was almost constant as the substrate tended to be stabilized. Initial increase in first week and subsequent decrease till fourth week without earthworm and sixth week with earthworm was also observed during the study of changes in biochemical properties of cow manure by earthworms (Eisenia andrei Bouche) [5]. The substrate (coffee pulp) having an initial pH 4.1 was analyzed during vermicomposting using E. fetida, P. excavatus and E. andrei and reported that substrate pH became neutral (6.5-7.4) on 15 th day and then it turned into basic (8-9) for 15 weeks.…”

Section: Discussionmentioning

confidence: 99%

“…The ash content, an important indicative parameter for decomposition and mineralization of the substrate [5,19,22,37] was observed to be increasing with time of vermicomposting in all the experimental runs. The increase in ash content was slower up to 9 days of vermicomposting in all the above stated runs including the controls.…”

Section: Figure 1 Variation Of Substrate Ph With Different Initial Smentioning

confidence: 98%

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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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Section: Discussionmentioning

confidence: 99%

Section: Figure 1 Variation Of Substrate Ph With Different Initial Smentioning

confidence: 98%

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

Singh¹

2006

Appl Ecol Env Res

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“…The maximum reduction (2-fold) was observed in compost using exotic species in comparison to the vermicompost of local species (1.4-fold). The reduction of total organic carbon observed with exotic species is higher when compared to institutional (1.7fold), textile industrial wastes (sludge,1.5-fold and fibre,1.68-fold) 22 and paper mill and dairy sludge (1.2-1.7-fold) 23 .The organic carbon is lost as CO 2 during mineralization of organic matter. Also the C/N ratio of the vermicompost using exotic earthworms decreased (2.9-fold) maximum when compared to local earth worms (1.8-fold).…”

Section: Organic Carbon and C/n Ratiomentioning

confidence: 96%

“…The microbial flora also increases the total potassium in the final product. Micro organisms in the feed mixture produce acids which converts the insoluble potassium into soluble one 22 . In contrast L.mauritii produced a vermicompost with 84%, 114% and 57% increase in ammoniacal nitrogen, available phosphorous and total potassium respectively than the raw material used.…”

Section: Nutritional Value Of Vermicompostmentioning

confidence: 99%

Vermicomposting of Solid Waste Using Local and Exotic Earthworms - A Comparative Study

Krishan¹,

Kumar²,

Arthanareeswari³

et al. 2014

Chem Sci Trans

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Abstract:The aim of this study was to assess the decomposition efficiency of earthworms, local (L.mauritii) as well as exotic (Eisenia foetida) in vermicomposting of garden litter in SRM University campus, Tamilnadu, India. The vermicompost produced through vermicomposting of garden litter mixed with cow dung in the ratio of 3:1 by using local and exotic earthworms (Eisenia foetida) were rich in ammoniacal nitrogen, nitrate nitrogen, available phosphorus, total potassium & TKN and there was a reduction in total organic carbon and carbon to nitrogen ratio. The study reveals that the decomposition efficiency of exotic earthworms is better when compared to local earth worms.

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“…De acordo com Aquino & Nogueira (2001) e Dutra (2001, isso se deve à alta capacidade de proliferação, ao crescimento rápido e à elevada resistência apresentada por essa espécie, além da alta capacidade para transformar os mais diversos tipos de resíduos orgânicos (ATIYEH et al, 2000).…”

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Utilização de casca de arroz e esterco bovino como substrato Eisenia fetida Savigny (1826)

Antoniolli

Steffen

2009

Ciênc. agrotec.

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RESUMOA utilização de minhocas, principalmente para a alimentação animal, vem sendo adotada e estudada, pois esses organismos apresentam em sua constituição vitaminas e aminoácidos. Entre os materiais possíveis de serem utilizados na minhocultura, atualmente incentiva-se o aproveitamento de resíduos agroindustriais de alta disponibilidade, como a casca de arroz no Rio Grande do Sul. Objetivou-se, neste trabalho, avaliar a eficiência de substratos à base de casca de arroz e esterco bovino na multiplicação e produção de biomassa de minhocas (Eisenia fetida). A população de minhocas foi avaliada quanto ao número de cocons, ao índice de multiplicação (população final/população inicial) e à biomassa de minhocas frescas e secas. A avaliação foi realizada aos 60 dias após a instalação do experimento, com quatro repetições. A análise estatística dos resultados mostrou que a inclusão de casca de arroz favoreceu o desenvolvimento e a taxa de reprodução das minhocas. A maior biomassa de minhocas foi obtida nos tratamentos: 50% casca de arroz inteira e 50% esterco bovino, esterco bovino mais casca de arroz inteira tratada com hidróxido de amônio a 20 e 40%, e esterco bovino mais casca de arroz moída tratada com hidróxido de sódio a 10 e 40%. Conclui-se que a adição de casca de arroz ao esterco bovino favorece a multiplicação e o desenvolvimento de E. fetida. Termos para indexação:Minhocas, multiplicação, substrato, Eisenia fetida. ABSTRACTThe use of earthworms for animal feeding has been adopted and studied, because these organisms are rich in vitamins and essential amino acids. Among the organic materials that could be used in the earthworm breeding, highly available agroindustrial residues such as rice husk are being currently used in Rio Grande do Sul. The aim of this work was to evaluate substrate based on rice husk and cattle manure on the multiplication and biomass of earthworms (Eisenia fetida). In this work, the population of earthworms, the cocoon numbers, the multiplication index, as well as fresh and dry biomass of earthworms were evaluated. The evaluation was performed 60 days after the installation of the experiment and each treatment had four replications. The statistical analysis of the results showed that the inclusion of rice husk favored the development and rate of earthworm reproduction. The highest earthworm biomass was obtained in the treatments 50% rice husk and 50% cattle manure, cattle manure plus rice husk with ammonium hydroxide at 20 and 40%, and cattle bovine plus ground rice husk with sodium hydroxide at 10 and 40%. It was concluded that the addition of rice husk to the cattle manure was efficient in the multiplication and development of E. fetida.

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Changes in biochemical properties of cow manure during processing by earthworms (Eisenia andrei, Bouché) and the effects on seedling growth

Cited by 292 publications

References 23 publications

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

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

Vermicomposting of Solid Waste Using Local and Exotic Earthworms - A Comparative Study

Utilização de casca de arroz e esterco bovino como substrato Eisenia fetida Savigny (1826)

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