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Updated: Feb 2, 2026

Assessment of Waste-Derived Biochars on the Health and Biological Activity of Soil
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Biochar amendment improves crop production in problem soils: A review.

Haowei Yu1, Weixin Zou2, Jianjun Chen3

  • 1College of Horticulture, Sichuan Agricultural University, Chengdu, Sichuan, 611130, China; Department of Agricultural and Biological Engineering, University of Florida, Gainesville, FL, 32611, USA.

Journal of Environmental Management
|November 23, 2018
PubMed
Summary

Biochar amendment improves problem soils, enhancing plant growth and crop production. This review synthesizes research on biochar

Keywords:
AdsorptionBiochar amendmentPlant healthProblem soilsSoil qualitySoil remediation

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Area of Science:

  • Agricultural Science
  • Environmental Science
  • Soil Science

Background:

  • Problem soils exhibit poor physical, chemical, and biological properties hindering plant growth.
  • Arable land loss due to erosion and pollution necessitates soil remediation strategies.
  • Biochar, a multifunctional carbon material, is recognized for its soil amendment potential.

Purpose of the Study:

  • To comprehensively review the effects of biochar amendment on plant growth in problem soils.
  • To explore biochar's role in remediating degraded soils and improving agricultural productivity.
  • To identify knowledge gaps and future research directions in biochar soil amendment.

Main Methods:

  • A comprehensive literature review was conducted using the Web of Science database.
  • Studies focused on biochar amendment in problem soils and its impact on plant growth.
  • Analysis synthesized findings on biochar-soil-plant-microbe interactions.

Main Results:

  • Biochar amendment effectively improves the quality of problem soils.
  • Enhanced plant growth and increased crop production are observed with biochar application.
  • Biochar influences soil properties, microbial communities, and plant root interactions.

Conclusions:

  • Biochar amendment presents a viable strategy for rehabilitating problem soils.
  • Further research is needed to fully understand biochar's complex interactions in degraded soil ecosystems.
  • Optimizing biochar application can enhance soil remediation and agricultural yields.