The role of a novel fungal strain<i>Trichoderma atroviride</i>RVF3 in improving humic acid content in mature compost and vermicompost via ligninolytic and celluloxylanolytic activities

Maji, Deepamala; Singh, Manju; Wasnik, Kundan; Chanotiya, Chandan Singh; Kalra, Alok

doi:10.1111/jam.12954

Cited by 11 publications

(9 citation statements)

References 23 publications

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“…Maji et al . (2015) reported reduced vermicomposting time of rice ( Oryza sativa ) straw and distillation waste of geranium ( Pelargonium graveolens ) inoculated with T. atroviride strains GVF10 (cellulase and xylanase producing), and RVF3 (ligninase and celluloxylanase producing). According to those authors, strain like RVF3 that was able to exhibit various activities (ligninase, cellulase, xylanase, etc.…”

Section: Discussionmentioning

confidence: 99%

Trichodermastrains accelerate maturation and increase available phosphorus during vermicomposting enriched with rock phosphate

et al. 2020

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Aims To suggest microbial inoculation as a tool to shorten organic residues stabilization and increase rock phosphate (RP) solubilization through vermicomposting, thus increasing nutrient content in plants and making it more appealing to farmers. Two Trichoderma strains were inoculated alone or combined in a RP apatite‐enriched vermicompost. Stability and plant‐available phosphorus levels were monitored for 120 days. Methods and Results Observable higher total organic carbon reduction in the treatment with the combined Trichoderma strains, followed by the inoculation with T. asperellum and T. virens. Combined Trichoderma and inoculation with T. virens increased humic acids (HA) content in 38·2 and 25·0%, respectively; non‐inoculated vermicompost with T. asperellum increased it by 15·0%. The combined Trichoderma strains and T. virens achieved the stability index based on the humic/fulvic acids (HA/FA) ratio after 120 days. T. asperellum, combined Trichoderma and T. virens increased the citric acid soluble‐P content in 83·2, 62·2 and 49·5%, respectively, compared to the non‐inoculated vermicompost. Conclusions Inoculation with combined T. asperellum and T. virens efficiently accelerated vermicompost stabilization; T. asperellum increased the citric acid soluble‐P in the final product. Significance and Impact of the Study Combined Trichoderma inoculation and RP enrichment improves the vermicompost quality, increasing HA and citric acid soluble‐P, recycling organic waste nutrients and reducing agricultural dependence on phosphate fertilizers.

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Section: Discussionmentioning

confidence: 99%

Trichodermastrains accelerate maturation and increase available phosphorus during vermicomposting enriched with rock phosphate

et al. 2020

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“…Recently, Penicillium expansum W4, a fungal strain producing ligno-cellulase, has been reported to be able to improve the quality and efficiency of composting process (Wang et al, 2011). In another study, Trichoderma atroviride has improved humic acid content in the mature compost by degradation of lignin and cellulose, xylan compounds (Maji et al, 2015). Fungi of Mucor genus have been report as the most dominant fungal genus in sawdust compost, representing 50% (9/18) of all isolates, and have high β-glucanase, mannanase, and protease activities (Hefnawy et al, 2013) and household waste (Dehghani et al, 2012).…”

Section: Discussionmentioning

confidence: 99%

Isolation and Identification of Fungi Associated With Composting Process of Municipal Biosolid Waste

Hang¹,

Tram²,

Anh³

et al. 2018

Vietnam J. Biotechnol.

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Organic waste is gradually degraded during composting process, producing carbon dioxide, water, heat, and humus, the relatively stable end product. The degradation process is carried out by living organisms, of which fungi appear to have the most important role since they break down tough debris (cellulose, lignin, and other resistant materials), enabling other microorganisms to continue the decomposition process. The objective of this study was to isolate and identify the fungi associated with large scale municipal biosolid waste composting process in Vietnam. In this study, we have isolated 10 morphologically different fungal strains from the composting materials, and classified based on morphological characteristics and 18S rDNA sequences. The results showed that these fungal strains belonged to four different genera, including Aspergillus, Penicillium, Monascus, and Trichoderma. The results would be a useful reference for further studies of diversity, and functions of fungi that involved in municipal biosolid waste composting process in Vietnam environmental conditions.

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“…Dentre os aditivos, os inoculantes também são citados em muitos estudos (Abdel-Rahman et al, 2016;Awasthi et al, 2015;Awasthi et al, 2018b;Barrena et al, 2006;Hemati;Aliasgharzad;Khakvar, 2018;Nissaikla, 2014;Kato;Miura, 2008;Krusir et al, 2019;Li et al, 2017;Maji et al, 2015;Mat Saad et al, 2013;Nakasaki et al, 1996;Araya;Mimoto, 2013;Hirai, 2017;Dam;Sen, 2012;Saffari et al, 2017;Sharma et al, 2014;Song et al, 2018aSong et al, , 2018bTran;Nakasaki, 2015;Voběrková et al, 2017;Wang et al, 2015;Wei et al, 2019;Xi et al, Os inoculantes são micorganismos adicionados ao material a ser compostado com o objetivo de acelerar o processo (Awasthi et al, 2018b;Heidarzadeh; Amani; Javadian, 2019; Hemati; Aliasgharzad; Khakvar, 2018; Krusir et al, 2019;Song et al, 2018aSong et al, , 2018bWei et al, 2019;Yang et al, 2018). Nakasaki et al (1996) em sua pesquisa sobre o uso do Bacillus Licheniformis HA1 para acelerar a compostagem de resíduos orgânicos, observaram que sua utilização evitou a queda de pH no estágio inicial e, assim, estimulou a proliferação de outros microrganismos termófilos, que contribuíram para o aumento da decomposição da ...…”

Section: Inoculantesunclassified

“…A conclusão final foi de que os inoculantes comerciais para facilitar a compostagem do lixo orgânico doméstico podem ser substituídos por composto maduro, o qual produz os mesmos efeitos. Maji et al (2015) estudaram o efeito de uma nova cepa fúngica de Trichoderma atroviride para acelerar processos de compostagem e vermicompostagem, para a produção de composto e vermicomposto ricos em ácidos húmicos. Suas conclusões foram de que o uso de cepas fúngicas selecionadas tem potencial para produzir composto e vermicomposto qualitativamente superiores, com alto teor de ácidos húmicos (35-62% a mais em relação ao padrão), além de reduzir o tempo de 110 para 90 dias.…”

Section: Inoculantesunclassified

Aceleração do Processo de Compostagem

Ressetti

Campos

2020

Cad. Cienc. Agrar.

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A compostagem é uma das formas mais viáveis para o tratamento de resíduos orgânicos. Porém seu inconveniente é o tempo, a demora que o processo convencional leva. Desta forma tem-se buscado maneiras de acelerar o processo de compostagem. Existem processos que empregam aeração, aquecimento e agitação mecânica. Tais procedimentos tem se revelado eficientes, porém necessitam de aparatos extras, o que encarece o processo. Devido aos maiores custos envolvidos em tais procedimentos, os mesmos não serão levados em consideração neste estudo, visto que uma das maiores vantagens da compostagem é justamente o seu baixo custo. São vários os procedimentos possíveis de acelerar o processo de compostagem. Tais procedimentos podem ser divididos em: pré-tratamento, adição de co-substratos e mudanças no processo. A utilização de biocarvão e de inóculos microbianos têm sido bastante eficientes na aceleração do processo de compostagem. A celulase, apesar de ter sido citada como uma substância bastante viável para acelerar o processo, ainda não foi utilizada em muitos estudos com esta finalidade.

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The role of a novel fungal strainTrichoderma atrovirideRVF3 in improving humic acid content in mature compost and vermicompost via ligninolytic and celluloxylanolytic activities

Abstract: Use of appropriate fungal strains may increase the efficiency of composting/vermicomposting processes producing compost and vermicompost with higher HA content, and alleviating the problems of solid waste accumulation and declining soil fertility.

Cited by 11 publications

References 23 publications

Trichodermastrains accelerate maturation and increase available phosphorus during vermicomposting enriched with rock phosphate

Trichodermastrains accelerate maturation and increase available phosphorus during vermicomposting enriched with rock phosphate

Isolation and Identification of Fungi Associated With Composting Process of Municipal Biosolid Waste

Aceleração do Processo de Compostagem

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