Biochar application influences microbial assemblage complexity and composition due to soil and bioenergy crop type interactions

Yu, Julian; Deem, Lauren M.; Crow, Susan E.; Deenik, Jonathan; Penton, C. Ryan

doi:10.1016/j.soilbio.2017.11.017

Cited by 74 publications

(51 citation statements)

References 76 publications

Supporting

Mentioning

Contrasting

Order By: Relevance

“…The use of metagenomics to probe putative functional changes in the microbiome within microcosms containing oxisol soils under Napier grass cultivation 2 years after the initial addition of biochar revealed a deep level of insight into microbiome responses to this amendment. Shifts in the microbial community composition were much less pronounced than in our previous study (22) where the overall changes in the composition of the microbiome were small though significant. This may reflect the effects of homogenization of the soils by sieving, since there is evidence that different soil fractions support distinct microbial communities (43).…”

Section: Discussioncontrasting

confidence: 82%

“…Our previous analyses of samples collected from the same soils in the first year of biochar amendment using targeted amplicon sequencing coupled with molecular ecological networks revealed that biochar amendment induced significant shifts in the microbial community and increased diversity and network complexity. However, whether the observed changes in the community composition reflected a shift in the functional gene diversity, whether the responses to biochar amendment were attributed to a few taxa as opposed to being global, and what the functional adaptations underlining the response were remained unknown in our previous study (22). The objective of the present study was to provide a high-resolution description of the community complexity, the genes and taxa responding to biochar amendment, and their potential effects on the soil C and N cycling.…”

mentioning

confidence: 92%

“…As part of a sustainable management practice, biochar addition induces changes in the soil physical and chemical properties and shifts in the soil microbiome. However, the microbial response to biochar addition depends strongly on the soil type and cropping system as well as the properties of the biochar being added (21)(22)(23)(24)(25)(26)(27). The observed effects of biochar on microbial processes are varied.…”

mentioning

confidence: 99%

“…The effects of biochar on microbial community composition have also been reported with some contradictory findings. Several studies have observed increases in Actinobacteria, Proteobacteria, Bacteroidetes, and Gemmatimonadetes (32)(33)(34)(35) and decreases in Acidobacteria in biochar-amended soils (22,24), while others have reported decreases in Proteobacteria and Bacteroidetes (33,35,36). Shifts in the microbiome composition and function influenced by biochar addition have the potential to impact GHG emissions, alter nutrient mineralization, and influence plant growth promotion.…”

mentioning

confidence: 99%

“…However, the dynamics and mechanisms of the impacts of biochar on microbial community composition as well as function remain poorly understood. A number of studies have attempted to assess the influence of biochar pyrolysis temperature (37,38), feedstock (39), soil type, cropping system (18,22), and addition with N fertilizer (40,41) on the soil microbiome.…”

mentioning

confidence: 99%

See 4 more Smart Citations

Comparative Metagenomics Reveals Enhanced Nutrient Cycling Potential after 2 Years of Biochar Amendment in a Tropical Oxisol

Deem

Crow

et al. 2019

Appl Environ Microbiol

Self Cite

View full text Add to dashboard Cite

The complex structural and functional responses of agricultural soil microbial communities to the addition of carbonaceous compounds such as biochar remain poorly understood. This severely limits the predictive ability for both the potential enhancement of soil fertility and greenhouse gas mitigation. In this study, we utilized shotgun metagenomics in order to decipher changes in the microbial community in soil microcosms after 14 days of incubation at 23°C, which contained soils from biochar-amended and control plots cultivated with Napier grass. Our analyses revealed that biochar-amended soil microbiomes exhibited significant shifts in both community composition and predicted metabolism. Key metabolic pathways related to carbon turnover, such as the utilization of plant-derived carbohydrates as well as denitrification, were enriched under biochar amendment. These community shifts were in part associated with increased soil carbon, such as labile and aromatic carbon compounds, which was likely stimulated by the increased available nutrients associated with biochar amendment. These findings indicate that the soil microbiome response to the combination of biochar addition and to incubation conditions confers enhanced nutrient cycling and a small decrease in CO 2 emissions and potentially mitigates nitrous oxide emissions.Citation Yu J, Deem LM, Crow SE, Deenik J, Penton CR. 2019. Comparative metagenomics reveals enhanced nutrient cycling potential after 2 years of biochar amendment in a tropical oxisol. Appl Environ Microbiol 85:e02957-18. https://doi.

show abstract

Section: Discussioncontrasting

confidence: 82%

mentioning

confidence: 92%

mentioning

confidence: 99%

mentioning

confidence: 99%

mentioning

confidence: 99%

See 3 more Smart Citations

Comparative Metagenomics Reveals Enhanced Nutrient Cycling Potential after 2 Years of Biochar Amendment in a Tropical Oxisol

Deem

Crow

et al. 2019

Appl Environ Microbiol

Self Cite

View full text Add to dashboard Cite

show abstract

Nitrogen fertilizer regulates purple rice seed endophytes and grain amino acid accumulation

Lu,

Wang,

Wang

et al. 2024

Food and Energy Security

View full text Add to dashboard Cite

The effects of different nitrogen (N) application levels on seed endophytes and grain nutritional quality are not yet clear. The impact of four N application levels on endophytes and amino acid accumulation in purple rice seeds was examined using 16S rRNA and ITS amplicon sequencing technology. This study integrates 16S rRNA, ITS amplicon sequencing technology and amino acid‐targeted detection to explore the effects of four different nitrogen application levels (0 kg hm−2, Y1N0; 180 kg hm−2, Y1N1; 270 kg hm−2, Y1N2; 360 kg hm−2, Y1N3) on the accumulation of endophytic bacteria, fungi and amino acid content in purple rice seeds and their interaction mechanisms. The findings indicated an increase in the contents of most amino acids with increasing N application. The dominant bacterial species in the community were mainly from the phyla Proteobacteria and Actinobacteriota, while the dominant fungal species were from the phyla Ascomycota and Basidiomycota. There was a significant difference in the richness of endophytic fungal communities between Y1N0 and Y1N2. Y1N1 showed significant differences in Mucoromycota compared to Y1N3. The quantity of operational taxonomic units (OTUs) in the bacterial and fungal community co‐occurrence network increased with increasing N fertilizer, showing strong correlations with Sporidiobolus, Chaetomium, Humicola, Botryotrichum, Ophiosphaeria and Dioszegia for most amino acids. These findings indicate that a high amount of N fertilizer greatly increases amino acid contents in purple rice seeds and improves the diversity and stability of endophytic fungal populations.

show abstract

Converting croplands to orchards changes soil microbial community composition and co‐occurrence patterns

Wang

Zheng

et al. 2021

Land Degrad Dev

View full text Add to dashboard Cite

Soil microorganisms are key to uncovering the mechanisms driving variation in soil biogeochemical processes associated with land-use change. A large number of croplands have been converted to orchards on the Chinese Loess Plateau due to the increased economic benefits which result. However, the microbial community and their functional composition remain poorly understood. In this study, soil samples were collected from croplands and orchards. Soil physicochemical properties and the community (represented by 16S rRNA for bacteria and ITS for fungi) were measured, and interactions among species and the soil organic matter (SOM) degradation via microbial metabolism and its associated genes were analyzed. Croplands converted to orchards affected bacterial and fungal community structure by increasing the relative abundance of Proteobacteria, Bacteroidetes, Firmicutes, Actinobacteria, and Ascomycota, whereas it decreased the α-diversity of bacteria and fungi. The cooccurrence network was larger and more complex within croplands than within orchards, indicating more extensive interactions and higher community stability potential. The abundance of potential genes related to cellulose and hemicellulose metabolism in orchards was higher than that in croplands, whereas the abundance of genes related to lignin decomposition was lower than that in croplands. In addition, the abundance of saprotrophic and symbiotrophic fungi in orchards was significantly lower than that in croplands (27 and 88%, respectively), whereas the abundance of pathotrophic fungi in orchards was almost six-times that in croplands. The soil organic carbon (SOC) and soil C:N in orchards were significantly lower than that in croplands. Converting croplands to orchards significantly altered the microbial community composition and their functionality, as well as decreased the complexity of interaction between microorganisms. The decreased SOC and increased soil C:N ratio could be attributed to these variations. Improved management practices should be implemented for the maintenance of soil biodiversity and SOC in orchards to avoid soil degradation and ensure sustainable development.

show abstract

Biochar application influences microbial assemblage complexity and composition due to soil and bioenergy crop type interactions

Cited by 74 publications

References 76 publications

Comparative Metagenomics Reveals Enhanced Nutrient Cycling Potential after 2 Years of Biochar Amendment in a Tropical Oxisol

Comparative Metagenomics Reveals Enhanced Nutrient Cycling Potential after 2 Years of Biochar Amendment in a Tropical Oxisol

Nitrogen fertilizer regulates purple rice seed endophytes and grain amino acid accumulation

Converting croplands to orchards changes soil microbial community composition and co‐occurrence patterns

Contact Info

Product

Resources

About