Research on biochar<i>via</i>a comprehensive scientometric approach

Li, Yuening; Jiang, Shanxue; Wang, T.; Lin, Yingchao; Mao, Hongjun

doi:10.1039/c8ra05689g

Cited by 11 publications

(6 citation statements)

References 48 publications

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“…As a sub-field of informetrics, scientometric analysis is becoming popular as an effective way to statistically disclose research trends in certain fields using the published literature. 38–40 For example, as revealed in Fig. 1(c) and (d), the studies on nirS -type and nirK -type denitrifiers are very closely related to environmental science, microbiology and soil science, which agreed well with subjective review.…”

Section: Introductionsupporting

confidence: 71%

A review on nirS-type and nirK-type denitrifiers via a scientometric approach coupled with case studies

Sun

Jiang

2022

Environ. Sci.: Processes Impacts

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Section: Introductionsupporting

confidence: 71%

A review on nirS-type and nirK-type denitrifiers via a scientometric approach coupled with case studies

Sun

Jiang

2022

Environ. Sci.: Processes Impacts

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“…The extent of this evaluation exercise is limited but we consider it the best available at the current time, owing to the general paucity of long-term data. The intensive investigation of biochar is rather recent compared to the heritage of long-established field experiments 25 . The good level of fit provides some confidence in the model predictions.…”

Section: Resultsmentioning

confidence: 99%

Modelling the potential for soil carbon sequestration using biochar from sugarcane residues in Brazil

Lefebvre

Williams

Meersmans

et al. 2020

Sci Rep

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Sugarcane (Saccharum officinarum L.) cultivation leaves behind around 20 t ha−1 of biomass residue after harvest and processing. We investigated the potential for sequestering carbon (C) in soil with these residues by partially converting them into biochar (recalcitrant carbon-rich material). First, we modified the RothC model to allow changes in soil C arising from additions of sugarcane-derived biochar. Second, we evaluated the modified model against published field data, and found satisfactory agreement between observed and predicted soil C accumulation. Third, we used the model to explore the potential for soil C sequestration with sugarcane biochar in São Paulo State, Brazil. The results show a potential increase in soil C stocks by 2.35 ± 0.4 t C ha−1 year−1 in sugarcane fields across the State at application rates of 4.2 t biochar ha−1 year−1. Scaling to the total sugarcane area of the State, this would be 50 Mt of CO2 equivalent year−1, which is 31% of the CO2 equivalent emissions attributed to the State in 2016. Future research should (a) further validate the model with field experiments; (b) make a full life cycle assessment of the potential for greenhouse gas mitigation, including additional effects of biochar applications on greenhouse gas balances.

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“…However, knowledge about its uses has been partly lost over time and has been only recently rediscovered [28,30]. During the last decade, this material became a major topic for many research groups due to the fact of its potential impact on slowing global warming and on its capacity to restore degraded soils [16,[31][32][33][34][35][36][37]. Figure 1 reports, as an example, that the number of scientific papers containing the word "biochar" increased from less than 50 at the end of the nineties and the beginning of the 2000s to more than 3500 in 2020.…”

Section: What Is Biochar?mentioning

confidence: 99%

“…In reactions (35) to (37), C represents the biochar which is oxidized to carbon dioxide. However, biochar oxidation can also be limited to a surface functionalization with formation of oxidized groups, thereby making the carbonaceous material more hydrophilic.…”

Section: The Mechanisms Of Entrapment and Decomposition Of Pollutants In Biocharmentioning

confidence: 99%

Recent Developments in Understanding Biochar’s Physical–Chemistry

et al. 2021

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Biochar is a porous material obtained by biomass thermal degradation in oxygen-starved conditions. It is nowadays applied in many fields. For instance, it is used to synthesize new materials for environmental remediation, catalysis, animal feeding, adsorbent for smells, etc. In the last decades, biochar has been applied also to soils due to its beneficial effects on soil structure, pH, soil organic carbon content, and stability, and, therefore, soil fertility. In addition, this carbonaceous material shows high chemical stability. Once applied to soil it maintains its nature for centuries. Consequently, it can be considered a sink to store atmospheric carbon dioxide in soils, thereby mitigating the effects of global climatic changes. The literature contains plenty of papers dealing with biochar’s environmental effects. However, a discrepancy exists between studies dealing with biochar applications and those dealing with the physical-chemistry behind biochar behavior. On the one hand, the impression is that most of the papers where biochar is tested in soils are based on trial-and-error procedures. Sometimes these give positive results, sometimes not. Consequently, it appears that the scientific world is divided into two factions: either supporters or detractors. On the other hand, studies dealing with biochar’s physical-chemistry do not appear helpful in settling the factions’ problem. This review paper aims at collecting all the information on physical-chemistry of biochar and to use it to explain biochar’s role in different fields of application.

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Research on biocharviaa comprehensive scientometric approach

Abstract: A comprehensive statistical study related to biochar was conducted by using the scientometric method.

Cited by 11 publications

References 48 publications

A review on nirS-type and nirK-type denitrifiers via a scientometric approach coupled with case studies

A review on nirS-type and nirK-type denitrifiers via a scientometric approach coupled with case studies

Modelling the potential for soil carbon sequestration using biochar from sugarcane residues in Brazil

Recent Developments in Understanding Biochar’s Physical–Chemistry

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