Global trends and characteristics of vermicompost research over the past 24 years

Ghorbani, Mona; Sabour, Mohammad Reza

doi:10.1007/s11356-020-11119-x

Cited by 15 publications

(5 citation statements)

References 31 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The decrease in electrical conductivity was associated with the stabilization of the product produced [30]. Composting with earthworms is a mesophilic process, and the temperature of the system ranged from 18 to 22 • C. The final product of vermicomposting has to be ripe to minimize the toxicity of the initial substrate of the winery waste [31]. A possible explanation for the increases in electrical conductivity and pH during the first 20 days is production of salts, ammonium, and inorganic ions during the biotransformation of nonavailable nutrients into absorbable forms [30,32].…”

Section: Resultsmentioning

confidence: 99%

Physicochemical Changes and Microbiome Associations during Vermicomposting of Winery Waste

et al. 2023

View full text Add to dashboard Cite

Annually, the wine industry produces high amounts of waste that can be toxic if disposed of without pretreatment. Vermicomposting is an efficient and low-cost method of decomposing organic matter using earthworms under controlled conditions. The organic substrate used in the vermicomposting process affects microbial populations and reflects the dynamics of enzymatic activity, decomposition of organic matter, and nitrogen transformations. However, the microbiome associations during the whole process are still unexplored. Thus, the aim of the present study was to investigate physicochemical, enzymatic, microbial, and microbiome activities during vermicomposting of winery waste. In this vein, a rectangular vermireactor with Eisenia andrei and Eisenia fetida earthworms, loaded with winery waste, was used. At the end of the process, the carbon/nitrogen (C/N) ratio was decreased, the total nitrogen was increased, the pH was neutralized and excess enzymatic activities were recorded. The bacterial and fungal phyla detected by next-generation sequencing analysis identified Armatimonadetes, Bacteriodetes, Candidatus saccharibacteria, Chloroflexi, Cyanobacteria, Planctomycetes, and Proteobacteria and Ascomycota, Basidiomycota, Chytridiomycota, Entomophthoromycota, Glomeromycota, and Mucoromycota, respectively. Physicochemical and microbial changes occurring during vermicomposting of winery waste, along with the microbiome diversity at the beginning and end of the process, may lead to a better understanding of winery-waste biotransformation into effective biofertilizer.

show abstract

Section: Resultsmentioning

confidence: 99%

Physicochemical Changes and Microbiome Associations during Vermicomposting of Winery Waste

et al. 2023

View full text Add to dashboard Cite

show abstract

“…Disposed organic wastes in disposal sites are an important contributor to global greenhouse gas production [15,16]. VR can reduce disposal site input and the detrimental effects of greenhouse gases [17].…”

Section: Introductionmentioning

confidence: 99%

Vermicomposting Smart Closed Reactor Design and Performance Assessment by Using Sewage Sludge

Ghorbani

Sabour

Bidabadi

2021

Waste Biomass Valor

Self Cite

View full text Add to dashboard Cite

This study aims to design a smart closed reactor of vermicomposting to convert sewage sludge and any organic waste to high-quality vermicompost. In this reactor design, all aspects of growth and reproduction of Eisenia Fetida worms, such as aeration, temperature, light, and moisture, were considered. We analyzed the physicochemical, bacterial, and microstructural of produced vermicompost and growth rate of worms in a substrate of 70% sewage sludge, 20% cow manure, and 10% sugarcane bagasse in a container and the smart reactor. The results show that vermicomposting in the smart reactor took 50% less time and 30% more worm growth rate to produce the same quality as in a container. After vermicomposting in the reactor, the parameters of pH, fecal coliform, phosphorus, organic matter, and C/N decreased whereas the parameters of carbon, nitrogen, nitrate, ammonia nitrate, and EC increased, slightly. Although, the EC amount of the reactor production is more than the container one, the amount of moisture, phosphorus, and organic matter of the vermicompost in the container is more than the reactor one.Based on the odor absorption and leachate elimination of this reactor, we recommend that it be utilized for vermicompost production, including out of smelly organic wastes such as sewage sludge, even in any public zone and personal houses.

show abstract

“…The most well‐known earthworm used in vermicomposting is Eisenia fetida , which has a remarkable ability to change the physical, biological, and chemical characteristics of organic substances, as well as its resilience and wide temperature tolerance. It is a nutrient‐rich peat‐like substance with high porosity, water‐holding capacity, low C : N ratio, ventilation, drainage, cation exchange capacity, and hormone‐like activity [9–12] . Furthermore, VC improves the microbial diversity of the soil and stores nutrients for an extended period without negatively affecting the environment [13] .…”

Section: Introductionmentioning

confidence: 99%

“…It is a nutrient-rich peat-like substance with high porosity, water-holding capacity, low C : N ratio, ventilation, drainage, cation exchange capacity, and hormone-like activity. [9][10][11][12] Furthermore, VC improves the microbial diversity of the soil and stores nutrients for an extended period without negatively affecting the environment. [13] Plant roots are generally unable to adapt to mineral N unless the carbon: nitrogen (C : N) ratio is � 20 : 1.…”

Section: Introductionmentioning

confidence: 99%

“…VC is often generated by epigeic earthworms that feed on fresh organic materials in the litter layer and the rst centimeter of the soil. The most well-known earthworm used in vermicomposting is Eisenia fetida, which has a remarkable ability to change the physical, biological, and chemical characteristics of organic substances, as well as its resilience and wide temperature tolerance (Lazcano and Domínguez, 2011;Domínguez et al, 2019;Ghorbani and Sabour, 2021;Przemieniecki et al, 2021). It is a nutrient-rich peat-like substance with high porosity, water-holding capacity, low C: N ratio (Domínguez et al, 2019), ventilation, drainage (Hosseinzadeh et al, 2016), cation exchange capacity, and hormonelike activity (Amooaghaie and Golmohammadi, 2017).…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Do Vermicompost Applications Improve Growth Performance, Pharmaceutically Important Alkaloids, Phenolic Content, Free Radical Scavenging Potency and Defense Enzyme Activities in Summer Snowflake (Leucojum aestivum L.)?

Cimen,

Baba,

Yildirim

et al. 2023

Chemistry & Biodiversity

View full text Add to dashboard Cite

Leucojum aestivum L. contains galanthamine and lycorine, which are two pharmaceutically valuable alkaloids. Vermicompost (VC), an organic waste product created by earthworms enhances soil quality and can improve the medicinal quality of the plant that is crucial to the pharmaceutical industry. The aim of this study was to determine the effects of four different VC concentrations (5 %, 10 %, 25 %, and 50 %) on L. aestivum growth parameters, alkaloid levels (galanthamine and lycorine), total phenol‐flavonoid content, free radical scavenging potential, and defense enzyme activities (SOD and CAT) compared to control (no VC). The width, length, and fresh weight of the leaves were improved by 10 % VC treatment. The highest total phenolic content was found in the bulbs and leaves treated with 50 % VC. HPLC‐DAD analysis of alkaloids showed that 10 % and 50 % VC treatments contained the most galanthamine in the bulb and leaf extracts, respectively. The application of 25 % VC was the most efficient in terms of lycorine content in both extracts. CAT activity was elevated at 10 %, 25 %, and 50 % VC. Based on the growth performance and galanthamine content of the bulbs and leaves, it can be concluded that a 10 % VC application was the most effective in the cultivation of L. aestivum.

show abstract

Global trends and characteristics of vermicompost research over the past 24 years

Cited by 15 publications

References 31 publications

Physicochemical Changes and Microbiome Associations during Vermicomposting of Winery Waste

Physicochemical Changes and Microbiome Associations during Vermicomposting of Winery Waste

Vermicomposting Smart Closed Reactor Design and Performance Assessment by Using Sewage Sludge

Do Vermicompost Applications Improve Growth Performance, Pharmaceutically Important Alkaloids, Phenolic Content, Free Radical Scavenging Potency and Defense Enzyme Activities in Summer Snowflake (Leucojum aestivum L.)?

Contact Info

Product

Resources

About