Influence of Aeration on Vermicomposting of Pre-Processed Vegetable Waste

Palaniappan, Senthilkumar; Alagappan, Murugappan; Ramesh, Rajkumar

doi:10.17485/ijst/2017/v10i12/109200

Cited by 5 publications

(3 citation statements)

References 14 publications

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“…Maintaining proper air circulation in compost piles is a prerequisite for achieving an enhanced biodegradation rate (Das et al, 2020). In a bench scale experiment, it was observed that augmenting air for a time period of 4-6 hours at a flow rate of 0.62 L/min per kg was ideal for vermicomposting (Palaniappan et al, 2017). Earthworms also maintain themselves a proper aeration in vermibeds by regulating their movement through it (Kaur, 2020).…”

Section: Process Managementmentioning

confidence: 99%

Role of bulking agents, process optimization, and different earthworm species in the vermiremediation process of industrial wastes: A review

2023

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Rapid industrialization and consumerism have aggravated the generation of industrial waste globally, consequently posing a serious problem related to their treatment, disposal, and management. Industrial wastes or sludges are mainly characterised by undesirable levels of heavy metals, toxic chemicals, and other toxic organic compounds. Deposition of such wastes in the environmental matrices for prolonged periods may result in serious contamination, and the consequent accumulation of these harmful constituents in the ecological food chain. Unavailability of appropriate disposal mechanisms for these sludges is a matter of serious concern that could severely pollute the environment and risk human health. Vermicomposting has emerged as a feasible and environmentally friendly bioremediation technology that could provide a solution to this problem. However, the vermicomposting of industrial sludges requires a better understanding of its inextricable factors to make it a viable process. Thus, the present study was undertaken to provide insights on the influence of different bulking agents and abiotic factors on the vermicomposting process, as well as, the role of different earthworm species in the successful implementation of this process in the bioremediation of industrial waste.

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Section: Process Managementmentioning

confidence: 99%

Role of bulking agents, process optimization, and different earthworm species in the vermiremediation process of industrial wastes: A review

2023

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“…Vermicast is rich in beneficial microorganisms, essential nutrients, humic and non-humic substances, and growth-promoting hormones with desirable physical properties [57][58][59]. The large surface area of vermicast granules provides more microsites for microbial activity and nutrient retention [60,61]. This leads to slow nutrient release for an extensive time period.…”

Section: Conclusion and Future Perspectivementioning

confidence: 99%

Impact of Vermicomposting on Greenhouse Gas Emission: A Short Review

Panda¹,

Mishra²,

Dutta³

et al. 2022

Sustainability

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The implementation of cutting-edge agricultural practices provides tools and techniques to drive climate-smart agriculture, reduce carbon emissions, and lower the carbon footprint. The alteration of climate conditions due to human activities poses a serious threat to the global agricultural systems. Greenhouse gas emissions (GHG) from organic waste management need urgent attention to optimize conventional composting strategies for organic wastes. The addition of various inorganic materials such as sawdust and fly ash mitigate GHG during the vermicomposting process. This paper critically investigates the factors responsible for GHG emissions during vermicomposting so that possible threats can be managed.

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“…Vermicast is rich in beneficial microorganisms, essential nutrients, humic and non-humic substances and growth-promoting hormones with desirable physical properties [ 9 – 11 ]. Additionally, the large surface area of vermicast granules provides more microsites for microbial activity and nutrients retention [ 12 , 13 ], which could lead to slow nutrient release for an extensive period. However, literature information on vermicast nutrient mineralization and pattern of release over a pre-determined period is limited.…”

Section: Introductionmentioning

confidence: 99%

Mineralization and nutrient release pattern of vermicast-sawdust mixed media with or without addition of Trichoderma viride

et al. 2021

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A combination of vermicast and sawdust mixed medium is commonly used in horticulture, but the added benefit of microbial inoculation and mechanism of nutrient availability are unknown. This study was done to determine nutrient mineralization and nutrient release patterns of different combinations or a mix of vermicast-sawdust growing media amended with or without Trichoderma viride (105 spores/g). The mixed-media treatments were (1) 80% vermicast+20% sawdust; (2) 60% vermicast+40% sawdust; (3) 40% vermicast+60% sawdust; (4) 20% vermicast+80% sawdust; and (5) sawdust alone (control). Total dissolved solids, electric conductivity and salinity increased with each sampling time following submergence in deionized. Nutrients released from media without T. viride were significantly higher than the corresponding media with added T. viride. Overall, the starting total nitrogen of the different media did not change during the incubation period, but nitrate-nitrogen was reduced to a negligible amount by the end of day 30 of incubation. A repeated measures analysis showed a significant effect of Time*T. viride*Treatment on total dissolved solids. Redundancy analysis demonstrated a positive and strong association between media composed of ≥40% vermicast and ≤60% sawdust with or without T. viride and mineral nutrients released, electrical conductivity, total dissolved solids and salinity. These findings suggest that fast-growing plants may benefit from 40% to 60% vermicast added to 40% to 60% sawdust without T. viride while slow-growing plants can benefit from the same mixed medium combined with the addition of T. viride. Further investigation is underway to assess microbial dynamics in the mixed media and their influence on plant growth.

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Influence of Aeration on Vermicomposting of Pre-Processed Vegetable Waste

Cited by 5 publications

References 14 publications

Role of bulking agents, process optimization, and different earthworm species in the vermiremediation process of industrial wastes: A review

Role of bulking agents, process optimization, and different earthworm species in the vermiremediation process of industrial wastes: A review

Impact of Vermicomposting on Greenhouse Gas Emission: A Short Review

Mineralization and nutrient release pattern of vermicast-sawdust mixed media with or without addition of Trichoderma viride

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