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231225s2018 xx |||||o 00| ||eng c |
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|a 10.1016/j.wasman.2018.07.043
|2 doi
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|a pubmed25n0965.xml
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|a (DE-627)NLM289781914
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|a (NLM)30343756
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|a (PII)S0956-053X(18)30465-3
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Khatua, Chandra
|e verfasserin
|4 aut
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|a Dynamics of organic matter decomposition during vermicomposting of banana stem waste using Eisenia fetida
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|c 2018
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
|b cr
|2 rdacarrier
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|a Date Completed 12.09.2019
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|a Date Revised 12.09.2019
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|a published: Print-Electronic
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|a Citation Status MEDLINE
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|a Copyright © 2018 Elsevier Ltd. All rights reserved.
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|a A better understanding of how dynamics of physical and chemical changes occur during vermicomposting process would be helpful for determining the stability and maturity of vermicompost. For improving the knowledge about this issue several instrumental techniques were used in the present study to analyse the physical and chemical changes as a function of vermicomposting time of banana stem waste (BS) spiked with cow dung (CD) in different proportions using earthworm Eisenia fetida. Chemical analysis by ICP-AES showed gradual increase in the plant nutrients (P, Ca, K, Mg, Fe) up to 60 day of vermicomposting in all the treatments. But among different treatments, K, Mg and Fe were considerably higher in the BS2CD1 blend. The FTIR showed strong NO stretching vibration with increasing BS content signifying the presence of nitrate in the final compost. The TG analysis of final BS-CD composts described the lower mass loss (52-55%) in the final compared to the initial stage due to high level of humification by earthworms. The maturity of the final compost was confirmed by DSC analysis which exhibited lowering of relative intensity of exothermic peaks related to the easily degradable material at 320-330 °C and complex organic moieties at 495-530 °C. Decrease in the humification index (Q4/6, Q2/4, Q2/6) at 60 day confirmed the stability of vermicomposts. All the treatments showed <2 mg CO2-C g-1 vermicompost C day-1 respiration rates and >70% germination indices (GI) for rice and pea seeds. These findings defined a clear comparison between the treatments during vermicomposting in terms of stability and maturity and revealed that BS2CD1 can be utilized as nutrient-rich stable compost for enhanced crop production
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|a Journal Article
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|a Banana stem waste
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|a Eisenia fetida
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|a Instrumental characterization
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|a Stability and maturity
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|a Vermicompost
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|a Manure
|2 NLM
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| 650 |
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|a Soil
|2 NLM
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| 700 |
1 |
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|a Sengupta, Somoshree
|e verfasserin
|4 aut
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|a Krishna Balla, Vamsi
|e verfasserin
|4 aut
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| 700 |
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|a Kundu, Biswanath
|e verfasserin
|4 aut
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| 700 |
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|a Chakraborti, Ashis
|e verfasserin
|4 aut
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| 700 |
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|a Tripathi, Sudipta
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t Waste management (New York, N.Y.)
|d 1999
|g 79(2018) vom: 01. Sept., Seite 287-295
|w (DE-627)NLM098197061
|x 1879-2456
|7 nnns
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| 773 |
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|g volume:79
|g year:2018
|g day:01
|g month:09
|g pages:287-295
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|u http://dx.doi.org/10.1016/j.wasman.2018.07.043
|3 Volltext
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