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Related Concept Videos

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Environmental Applications of Microorganisms

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Microorganisms play a pivotal role in maintaining ecosystem balance by recycling essential elements such as carbon, nitrogen, and phosphorus, as well as supporting processes like bioremediation, wastewater treatment, and biofuel production.Microbes in Elemental CyclesIn the carbon cycle, microorganisms decompose organic matter, releasing carbon dioxide via aerobic respiration. This carbon dioxide is subsequently used by photosynthetic organisms to synthesize organic compounds, closing the...
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The Soil Ecosystem02:23

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Related Experiment Video

Updated: Jan 10, 2026

Assessment of Waste-Derived Biochars on the Health and Biological Activity of Soil
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Biochar for Soil Amendment: Applications, Benefits, and Environmental Impacts.

Ujjwal Pokharel1, Gururaj Neelgund2, Ram L Ray2

  • 1Department of Civil and Environmental Engineering, Old Dominion University, 135 Kaufman Hall, Norfolk, VA 23529, USA.

Bioengineering (Basel, Switzerland)
|November 27, 2025
PubMed
Summary
This summary is machine-generated.

Engineered biochar effectively addresses soil issues like pollution and nutrient imbalance, significantly improving crop yields. Further research is needed on cost-effectiveness and large-scale application impacts.

Keywords:
biocharbiomasscarbon sequestrationengineered biocharpyrolysissoil amendment

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Area of Science:

  • Environmental Science
  • Soil Science
  • Materials Science

Background:

  • Excessive chemical fertilizer use causes soil degradation, eutrophication, and disrupts soil ecosystems.
  • Engineered biochar offers a sustainable solution to mitigate these environmental challenges.

Purpose of the Study:

  • To synthesize recent studies (up to 2025) on engineered biochar applications.
  • To evaluate biochar's effectiveness in addressing soil nutrient imbalance, pollution, acidification, salinity, and greenhouse gas emissions.

Main Methods:

  • Review and synthesis of recent scientific literature on engineered biochar.
  • Analysis of biochar's impact on pollutant removal, soil properties, and crop yield.

Main Results:

  • Engineered biochar significantly enhanced the removal of heavy metals (e.g., Cr (VI), Cd2+, Hg2+) and pollutants (e.g., PAHs, herbicides).
  • Low-temperature pyrolyzed biochar exhibited high cation exchange capacity (CEC).
  • Biochar application increased crop yield by 43.3%, with a biochar-compost mix achieving a 155% increase.

Conclusions:

  • Engineered biochar is a promising material for soil remediation and improving soil health.
  • Future research should focus on biochar's cost-effectiveness, large-scale aging, and optimized application mixes for enhanced productivity.