Effect of inoculating microorganisms in chicken manure composting with maize straw

Wan, Leibing; Wang, Xitao; Cong, Cong; Li, Jingbo; Xu, You-Hai; Li, Xiaoyu; Hou, Fuqin; Wu, Yanyan; Wang, Lili

doi:10.1016/j.biortech.2019.122730

Cited by 148 publications

(51 citation statements)

References 32 publications

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“…The lowest final value of 16.91 ( p < 0.05) belonged to LCI, which supports the notion that ligninolytic and cellulolytic microorganisms can accelerate the composting process. Similar results were reported by other researchers (Abdel-Rahman et al 2016 ; Li et al 2020 ; Liu et al 2011 ; Selvamani et al 2019 ; Wan et al 2020 ; Zhao et al 2017 ). Lignin biodegradation is also a crucial process determining the humification and stabilization of the final products and, ultimately, the length of time needed for the completion of composting (Gou et al 2017 ).…”

Section: Resultssupporting

confidence: 91%

Effect of bacterial inoculation on co-composting of lavender (Lavandula angustifolia Mill.) waste and cattle manure

et al. 2021

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The primary purpose of this study was to investigate the influence of Cellulomonas flavigena and Streptomyces viridosporus, as a bacterial inoculant, on the compostability of post-extraction lavender waste. The major physicochemical, microbiological, and biological properties of the composting materials were monitored for 161 days. The technology developed was shown to improve the compostability of recalcitrant herbal residues. The use of lavender waste beneficially affected the composting process by extending the thermophilic phase, accelerating the degradation of organic matter, and elevating the viable counts of useful microorganisms; however, adverse effects were also observed, including an increased carbon-to-nitrogen ratio (19.05) and a decreased germination index (93.4%). Bacterial inoculation was found to preserve the nitrogen content (2.50%) and improve the efficiency of biodegradation. The Salmonella- and Escherichia coli-free final composting products were mature, stable, and ready for soil application. To the authors’ knowledge, no previous research has investigated the compostability of lavender waste. Likewise, this is the first study that has used strains of C. flavigena and S. viridosporus in combination to facilitate a composting process.

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Section: Resultssupporting

confidence: 91%

Effect of bacterial inoculation on co-composting of lavender (Lavandula angustifolia Mill.) waste and cattle manure

et al. 2021

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“…B. subtilis could produce amylase and proteinase to accelerate the decomposition of organic matter, which is one of the most commonly used microbial agents in compost [ 30 ]. Moreover, B. subtilis has a strong ability to degrade the cellulose resulting from the produced cellulase [ 15 ].…”

Section: Discussionmentioning

confidence: 99%

“…Moreover, B. subtilis has a strong ability to degrade the cellulose resulting from the produced cellulase [ 15 ]. B. licheniformis could shorten the time taken to reach maturity in aerobic composting, and it is helpful to effectively decompose the cellulosic substances in compost, thus B. licheniformis has a lot of potential to apply to compost [ 17 , 30 ]. A previous study stated that T. viride was inoculated to bagasse composting, meanwhile, T. viride could inhibit the production of the pathogenic bacteria in compost [ 31 ].…”

Section: Discussionmentioning

confidence: 99%

Effect of Microbial Inoculation on Carbon Preservation during Goat Manure Aerobic Composting

Wang

Gao

et al. 2021

Molecules

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Carbon is the crucial source of energy during aerobic composting. There are few studies that explore carbon preservation by inoculation with microbial agents during goat manure composting. Hence, this study inoculated three proportions of microbial agents to investigate the preservation of carbon during goat manure composting. The microbial inoculums were composed of Bacillus subtilis, Bacillus licheniformis, Trichoderma viride, Aspergillus niger, and yeast, and the proportions were B1 treatment (1:1:1:1:2), B2 treatment (2:2:1:1:2), and B3 treatment (3:3:1:1:2). The results showed that the contents of total organic carbon were enriched by 12.21%, 4.87%, and 1.90% in B1 treatment, B2 treatment, and B3 treatment, respectively. The total organic carbon contents of B1 treatment, B2 treatment, and B3 treatment were 402.00 ± 2.65, 366.33 ± 1.53, and 378.33 ± 2.08 g/kg, respectively. B1 treatment significantly increased the content of total organic carbon compared with the other two treatments (p < 0.05). Moreover, the ratio of 1:1:1:1:2 significantly reduced the moisture content, pH value, EC value, hemicellulose, and lignin contents (p < 0.05), and significantly increased the GI value and the content of humic acid carbon (p < 0.05). Consequently, the preservation of carbon might be a result not only of the enrichment of the humic acid carbon and the decomposition of hemicellulose and lignin, but also the increased OTU amount and Lactobacillus abundance. This result provided a ratio of microbial agents to preserve the carbon during goat manure aerobic composting.

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“…SMS contains numerous mycelia and edible fungal metabolites, such as carbohydrates, proteins, organic acids, and bioactive substances, which have the potential of ecological high-value utilization [5,6]. In addition, with large-scale planting and intensive breeding, the substantial increase in straw and livestock manure has become a major problem for the sustainable development of agriculture and ecological environmental protection in China [7,8]. Reasonable use of these wastes can improve the economic benefits, protect the environment, and accomplish recycling of wastes and sustainable development of agriculture.…”

Section: Introductionmentioning

confidence: 99%

Planifilum fulgidum Is the Dominant Functional Microorganism in Compost Containing Spent Mushroom Substrate

Zhang

Wang

et al. 2021

Sustainability

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The extensive accumulation of spent mushroom substrate (SMS) owing to the large-scale production of edible fungi is causing environmental problems that cannot be ignored. Co-composting is a promising method for agricultural and animal husbandry waste disposal. In this study, the composition and function of microbial communities in the process of cattle manure–maize straw composting with SMS addition were compared through an integrated meta-omics approach. The results showed that irrespective of SMS addition, the predominant fungi were Ascomycota, while the dominant bacteria were Firmicutes, Proteobacteria, Actinobacteria, and Bacteroidetes. High temperature promoted the evolution from Gram-negative bacteria (Bacteroides, Proteobacteria) to Gram-positive bacteria (Firmicutes, Actinomycetes). The composting process was accelerated by SMS addition, and the substrate was effectively degraded in 14 days. Metaproteomics results showed that the dominant microorganism, Planifilum fulgidum, secreted large amounts of S8, M17, and M32 proteases that could degrade macromolecular protein substrates in the presence of SMS. Planifilum fulgidum, along with Thermobifida fusca and Melanocarpus albomyces, synergistically degraded hemicellulose, cellulose, and protein. In addition, the dominant microorganisms related to the initial raw materials such as Pichia, Lactobacillus in the microbial agent and Hypsizygus in SMS could not adapt to the high-temperature environment (>60 °C) and were replaced by thermophilic bacteria after 5 days of composting.

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Effect of inoculating microorganisms in chicken manure composting with maize straw

Cited by 148 publications

References 32 publications

Effect of bacterial inoculation on co-composting of lavender (Lavandula angustifolia Mill.) waste and cattle manure

Effect of bacterial inoculation on co-composting of lavender (Lavandula angustifolia Mill.) waste and cattle manure

Effect of Microbial Inoculation on Carbon Preservation during Goat Manure Aerobic Composting

Planifilum fulgidum Is the Dominant Functional Microorganism in Compost Containing Spent Mushroom Substrate

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