Succession of fungal dynamics and their influence on physicochemical parameters during pig manure composting employing with pine leaf biochar

Li, Jiao; Bao, Huanyu; Xing, Wenjing; Yang, Jing; Liu, Ruifang; Wang, Xin; Lv, Lihui; Tong, Xiaogang; Wu, Fuyong

doi:10.1016/j.biortech.2019.122377

Cited by 48 publications

(19 citation statements)

References 38 publications

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“…The second most abundant phylum was Ascomycota. Similar results were reported by Li et al [50], where pine leaf biochar were added into pig manure compost. Composting feedstock could affect the fungal community and their RAs because the physical and chemical characteristics in the substrate have a significant impact on the environment [51].…”

Section: The Dynamics Of Fungal Community Composition During Compostingsupporting

confidence: 90%

Impacts of peat on nitrogen conservation and fungal community composition dynamics during food waste composting

Zeng

et al. 2020

Appl Biol Chem

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Peat, as a heterogeneous mixture of decaying plant debris and microbial residues, has been widely used in many fields. However, little research focused on the impact of peat addition on food waste composting. To fill this gap, a composting experiment of food waste mixed with five varying percent peat 0, 5, 10, 15, and 20% (w/w, dry weight) was designed to investigate the effect of different dosages of peat on nitrogen conservation, physiochemical parameters, and fungal community dynamics during composting. The results showed that adding peat elevated the peak temperature of composting, lowered final pH, reduced ammonia emissions and increased the final total nitrogen content. Compared to control, adding 5, 10, 15, and 20% peat decreased ammonia emissions by 1.91, 10.79, 23.73, and 18.26%, respectively, during 42 days of composting. Moreover, peat addition increased fungal community diversity especially during maturation phase. The most two abundant phyla were Basidiomycota and Ascomycota in all treatments throughout the composting process. At the end of composting, in treatments with adding 10 and 15% peat, the richest fungi were Scedosporium spp. and Coprinopsis spp., respectively. Simultaneously, canonical correlation analyses showed that pH, moisture content, and seed germination index had significant association with fungal community composition. The study also showed that fungal community and nitrogen conservation had no direct obvious relation during composting. Overall, the results suggest that the addition of peat could efficiently enhance nitrogen conservation through reduction of ammonia emissions and 15% peat addition is the optimal formula for food waste composting.

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Section: The Dynamics Of Fungal Community Composition During Compostingsupporting

confidence: 90%

Impacts of peat on nitrogen conservation and fungal community composition dynamics during food waste composting

Zeng

et al. 2020

Appl Biol Chem

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“…One explanation for this is that Ascomycota can secrete a variety of cellulase and hemicellulase enzymes and hence can easily grow during composting by degrading organic materials available (Singh et al, 2003;Meng et al, 2019). The relative abundance of other two phyla, Mucoromycota and Basidiomycota, was initially higher in herbivore compared to omnivore manure composts and they both have been shown to play a vital role in decomposition of organic matter (Li et al, 2020) and straw residue (Ma et al, 2013). However, it is unclear why they were replaced by other species by the final phase of composting.…”

Section: Discussionmentioning

confidence: 99%

Livestock Manure Type Affects Microbial Community Composition and Assembly During Composting

et al. 2021

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Composting is an environmentally friendly way to turn plant and animal wastes into organic fertilizers. However, it is unclear to what extent the source of animal waste products (such as manure) affects the physicochemical and microbiological properties of compost. Here, we experimentally tested how the type of livestock manure of herbivores (sheep and cattle) and omnivores (pig and chicken) influences the bacterial and fungal communities and physicochemical properties of compost. Higher pH, NO3-N, Total carbon (TC) content and C/N were found in sheep and cattle manure composts, while higher EC, NH4-N, Total nitrogen (TN) and total phosphorus (TP) content were measured in pig and chicken manure composts. Paired clustering between herbivore and omnivore manure compost metataxonomy composition was also observed at both initial and final phases of composting. Despite this clear clustering, all communities changed drastically during the composting leading to reduced bacterial and fungal diversity and large shifts in community composition and species dominance. While Proteobacteria and Chloroflexi were the major phyla in sheep and cattle manure composts, Firmicutes dominated in pig and chicken manure composts. Together, our results indicate that feeding habits of livestock can determine the biochemical and biological properties of manures, having predictable effects on microbial community composition and assembly during composting. Manure metataxonomy profiles could thus potentially be used to steer and manage composting processes.

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“…Furthermore, the relative abundance of GS16 (Aphelidiomycota phyla) and Gibberella differed significantly between the roots of Du Shi and Qing Zhou Mi Tao. Aphelidiomycota is not a typical soil and root fungus; little is known about it, and further study is needed ( Li et al, 2020 ). Under low P level, the abundance of gibberellus in roots of Du Shi was significantly higher than that of Qing Zhou Mi Tao ( Figure 5C ).…”

Section: Discussionmentioning

confidence: 99%

Responses of Root Endophytes to Phosphorus Availability in Peach Rootstocks With Contrasting Phosphorus-Use Efficiencies

et al. 2021

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Phosphorus (P) is an important macronutrient for all lives, but it is also a finite resource. Therefore, it is important to understand how to increase the P availability and plant uptake. The endophytes can help host plants to improve P uptake and will be apparently affected by plant genotypes. To investigate the mechanism of root endophytes in promoting P uptake of peach rootstocks, we analyzed the variations of the root endophytic fungal and bacterial communities of peach rootstocks with different P efficiencies under high or low level of P addition. Results showed that Proteobacteria was the dominant bacterial phylum in the roots of all rootstocks under the two levels of P addition. At low P level, the abundance of Actinoplanes in phosphorus-inefficiency root system was apparently higher than that at high P level. Actinoplanes produced important secondary metabolites, improving the stress resistance of plants. Under high P condition, the abundance of Ferrovibrio was higher in Qing Zhou Mi Tao than in Du Shi. Fe oxides considerably reduced the availability of applied P, which partially explained why the P utilization in Qing Zhou Mi Tao is inefficient. Further, Ascomycota was the dominant fungal phylum in the roots of all rootstocks under different levels of P addition. The fungi community of roots varied in different rootstocks at each P level, but was similar for the same rootstock at different P levels, which indicated that genotype had a greater effect than P addition on the fungal community of peach rootstocks.

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Succession of fungal dynamics and their influence on physicochemical parameters during pig manure composting employing with pine leaf biochar

Cited by 48 publications

References 38 publications

Impacts of peat on nitrogen conservation and fungal community composition dynamics during food waste composting

Impacts of peat on nitrogen conservation and fungal community composition dynamics during food waste composting

Livestock Manure Type Affects Microbial Community Composition and Assembly During Composting

Responses of Root Endophytes to Phosphorus Availability in Peach Rootstocks With Contrasting Phosphorus-Use Efficiencies

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