Potential of vermicomposting with mixtures of animal manure and vegetable leaves in the development of Eisenia foetida, microbial biomass, and enzymatic activity under semi-arid conditions

Silva, Larissa F da; Silva, Eulene F da; Morais, Francimar Maik S; Portela, Jeane Cruz; Oliveira, Fábio Henrique Tavares de; Freitas, Diana Ferreira de; Ferreira, Eveline de Almeida; Gurgel, Marcelo Tavares; Pinheiro, Antônio Mateus; Lima, Renner B.; Vasconcelos, Aline de Almeida; Antunes, Luiz Fernandode S

doi:10.1016/j.jenvman.2022.117169

Cited by 9 publications

(3 citation statements)

References 48 publications

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“…This table shows that the above bacterial species stimulate the enzymes. It is evident from the results that during the vermicomposting process, worms indirectly stimulate microbial populations via the degradation and homogenization of organic matter, which increase the surface area that is available for microbial colonization and decomposition [20,22]. In this study, it was observed that the enzyme activity in vermicomposts was related to the bacterial population, and that the bacterial phylum listed in Table 2 significantly supported acid phosphatase, alkaline phosphatase, arylsulphatase, β-glucosidase and urease activities.…”

Section: Bacterial Communities and Enzyme Activity Relationshipsmentioning

confidence: 62%

“…A diversified bacterial community in the gut accelerates the breakdown and mineralization of organic matter and even the accumulation of P and K [21]. Microorganisms involved in the vermicomposting process degrade complex organic compounds (e.g., lignin, cellulose, hemicellulose) into simpler forms and produce a variety of extracellular hydrolytic enzymes such as cellulase, protease, urease, phosphatase, lipase, and β-glucosidase [22], which are responsible for the transformation of nutrients. Therefore, the present study also aimed to clarify the bacterial diversity and enzyme activities responsible for BA nutrients in combination with cow dung.…”

Section: Introductionmentioning

confidence: 99%

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Role of Vermicomposting Microorganisms in the Conversion of Biomass Ash to Bio-Based Fertilizers

et al. 2023

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A high pH, low solubility of bound plant nutrients, and negative impacts on microbial communities are common drawbacks of biomass ash (BA) vermicomposting. In this study, nutrient-rich BA mixed with cow manure was tested at three different application rates to obtain final nitrogen (N), phosphorus (P), and potassium (K) contents of 3.5%, 7.0%, and 10.0% for bio-based fertilizers via vermicomposting. The results showed that all BA blends made with cow manure increased fermentation temperatures and allowed successful worm activity during the subsequent vermicomposting phase. The order of indicator enzyme activities in all vermicomposting samples was urease (220 μg NH4 g−1 h−1) > β-glucosidase (95 μg PNP g−1 h−1) > alkaline phosphatase (91 μg PNP g−1 h−1) > arylsulfatase (83 μg PNP g−1 h−1) > acid phosphatase (60 μg PNP g−1 h−1). As an indicator of nutrient bioavailability, high correlations were observed between enzyme activities and microbial diversity in vermicompost samples. Determination coefficients (R2) obtained from multiple linear regressions between enzyme activities and bacterial population for T0, T1, T2, and T3 were determined as 0.90, 0.65, 0.73, and 0.90, respectively. According to a novel metagenome-based approach proposed within the scope of the present study, the stimulatory effects of Flavobacteriales, Burkholderiales, Saccharimonadales, and Pseudomonadales on enzyme activities for the nutrient solubility were found to be significant and positive. The findings of this study demonstrated that worm composting could be a sustainable bio-based technology for the production of slow-release fertilizer from nutrient-rich waste material.

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Section: Bacterial Communities and Enzyme Activity Relationshipsmentioning

confidence: 62%

Section: Introductionmentioning

confidence: 99%

Role of Vermicomposting Microorganisms in the Conversion of Biomass Ash to Bio-Based Fertilizers

et al. 2023

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“…The application of vermicompost treatments increased glucosidase activity, but the glucosidase activity was not significantly influenced by vermicompost application. The initial increase in glucosidase activity from V0 to V1 may be attributed to the introduction of organic matter and microbial populations associated with vermicompost, providing a conducive environment for enzymatic activities [79,80]. The subsequent decrease in glucosidase activity from V2 to V3 might be indicative of a threshold or saturation effect, where an excess of vermicompost could lead to diminishing returns or even inhibitory effects on the enzyme [24].…”

Section: Discussionmentioning

confidence: 99%

Vermicompost Rate Effects on Soil Fertility and Morpho-Physio-Biochemical Traits of Lettuce

Toor,

Ay,

Ullah

et al. 2024

Horticulturae

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The use of agricultural chemicals has adversely affected soil health and the environment. Organic farming practices, particularly vermicompost (VC), are gaining attention for their potential to improve soil fertility and crop productivity. This study investigated VC rate applications on lettuce growth, yield, soil fertility, nutrient dynamics, enzyme activity, biological parameters, and biochemical aspects under greenhouse conditions in Samsun, Turkey during 2022–2023. Experimentally, VC was applied at rates of V1: 1%, V2: 2%, and V3: 4% w/w, with a control group without VC application, V0: 0% w/w. Batavia lettuce, which is sensitive to environmental conditions and nutrient deficiency, was subjected to these treatments in a randomized complete block design, replicated thrice. Results showed consistent improvements in plant dry weight across all VC treatments, with the 2% application rate (V2) yielding the highest increase in lettuce yield (56.43%). Soil pH varied across treatments, with V1 being slightly alkaline and V3 showing high electrical conductivity and increased nitrogen content. Phosphorus content increased in all treatments, while potassium varied, with V3 having the highest values. Soil enzyme activities increased with VC concentrations, with V3 showing the highest urease activity. Pearson correlations confirmed positive associations with growth parameters and soil enzymatic activity. These findings highlight vermicompost as a sustainable solution for lettuce production and soil improvement.

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Vermicompost and millicompost as a resource in sustainable agriculture in semiarid: decomposition, nutrient release, and microstructure under the action of nitrogen and organic-mineral fertilizers

de Lavôr,

da Silva,

de Almeida Ferreira

et al. 2024

Environ Sci Pollut Res

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Potential of vermicomposting with mixtures of animal manure and vegetable leaves in the development of Eisenia foetida, microbial biomass, and enzymatic activity under semi-arid conditions

Cited by 9 publications

References 48 publications

Role of Vermicomposting Microorganisms in the Conversion of Biomass Ash to Bio-Based Fertilizers

Role of Vermicomposting Microorganisms in the Conversion of Biomass Ash to Bio-Based Fertilizers

Vermicompost Rate Effects on Soil Fertility and Morpho-Physio-Biochemical Traits of Lettuce

Vermicompost and millicompost as a resource in sustainable agriculture in semiarid: decomposition, nutrient release, and microstructure under the action of nitrogen and organic-mineral fertilizers

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