Evidence map›Paper›PMID 39807171›Full record

ReviewiScience2025

Biochar for ameliorating soil fertility and microbial diversity: From production to action of the black gold.

Joshua O Ighalo, Chinemerem R Ohoro, Victor E Ojukwu, Mutiat Oniye, Wasim Akram Shaikh, Jayanta Kumar Biswas, Chandra Shekhar Seth, Ganesh Babu Malli Mohan, Sam Aldrin Chandran, Selvasembian Rangabhashiyam

Abstract readReview
In one paragraph

Review in iScience, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 11 papers.

0numbers the graph read from it
0cells of the map it votes in
11citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

11 citing papers in PubMed.

  1. Review
  2. Article
  3. Article
  4. Article
  5. Article
  6. Effects of biochar and GABiodegradation · 2026
    Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Article
4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

10 authors.

Joshua O IghaloDepartment of Chemical Engineering, Nnamdi Azikiwe University, Awka P. M. B. 5025, Nigeria.
Chinemerem R OhoroWater Research Group, Unit for Environmental Sciences and Management, North-West University, 11 Hoffman St, Potchefstroom 2520, South Africa.
Victor E OjukwuDepartment of Chemical Engineering, Nnamdi Azikiwe University, Awka P. M. B. 5025, Nigeria.
Mutiat OniyeDepartment of Chemical and Material Science, School of Engineering and Digital Sciences, Nazarbayev University, Astana 010000, Kazakhstan.
Wasim Akram ShaikhDepartment of Basic Science, School of Science and Technology, The Neotia University, Sarisha, West Bengal 743368, India.
Jayanta Kumar BiswasEnviromicrobiology, Ecotoxicology and Ecotechnology Research Laboratory (3E-MicroToxTech Lab), International Centre for Ecological Engineering & Department of Ecological Studies, University of Kalyani, Kalyani, Nadia, West Bengal 741235, India.
Chandra Shekhar SethDepartment of Botany, University of Delhi, New Delhi 110007, Delhi, India.
Ganesh Babu Malli MohanDepartment of Cellular Biology, Center for Tropical and Emerging Global Diseases (CTEGD), University of Georgia, Athens, GA, USA.
Sam Aldrin ChandranSchool of Chemical and Biotechnology, SASTRA Deemed to be University, Thanjavur 613401, Tamil Nadu, India.
Selvasembian RangabhashiyamDepartment of Environmental Science and Engineering, School of Engineering and Sciences, SRM University-AP, Amaravati, Andhra Pradesh 522240, India.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This article evaluated different production strategies, characteristics, and applications of biochar for ameliorating soil fertility and microbial diversity. The biochar production techniques are evolving, indicating that newer methods (including hydrothermal and retort carbonization) operate with minimum temperatures, yet resulting in high yields with significant improvements in different properties, including heating value, oxygen functionality, and carbon content, compared to the traditional methods. It has been found that the temperature, feedstock type, and moisture content play critical roles in the fabrication process. The alkaline nature of biochar is attributed to surface functional groups and addresses soil acidity issues. The porous structure and oxygen-containing functional groups contribute to soil microbial adhesion, affecting soil health and nutrient availability, improving plant root morphology, photosynthetic pigments, enzyme activities, and growth even under salinity stress conditions. The review underscores the potential of biochar to address diverse agricultural challenges, emphasizing the need for further research and application-specific considerations.

Indexed as

Soil biologySoil ecologySoil science

Identifiers

PMID39807171
PMCPMC11728978

What OpenQuestion holds

Textmetadata
LicenceCC BY-NC-ND
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.