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Biochar as an Environment-Friendly Alternative for Multiple Applications
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This review summarizes how biochar, a charcoal-like material made from plant waste, can be used for carbon storage, improving soil health, and reducing greenhouse gas emissions. Notably, biochar shows potential for reducing microplastic and heavy metal contamination in soil by binding these pollutants and preventing them from being absorbed by crops. This makes biochar a promising tool for protecting food safety in agricultural soils contaminated with microplastics.
The climate crisis and years of unsustainable agricultural practices have reduced soil fertility and crop yield. In addition, agricultural lands contribute more than 10% of greenhouse gases (GHGs). These concerns can be addressed by using biochar for carbon neutralization, environmental restoration, and agricultural management. Biochar has a role in nitrous oxide and methane gas emission mitigation from agricultural soil. New methods are needed to link belowground processes to functioning in multi-species and multi-cultivar agroecosystems. The intricate relationship between biochar and the composition of soil microbial communities, along with its impacts on functions within the rhizosphere, constitutes a highly perplexing and elusive subject within microbial genomics. The present review discusses how biochar can mitigate climate change, enhance carbon sequestration, and support crop productivity. Biochar could be a potential solution to mitigate soil microplastics and heavy metal contamination. Applying a biochar-based microbiome reduces polycyclic aromatic hydrocarbons (PAHs) in soil. The current knowledge and perspectives on biochar–plant–microbial interactions for sustainable agriculture and ameliorating the adverse effects of climate change are highlighted. In this review, a holistic approach was used to emphasize the utility of biochar for multiple applications with positive and negative effects and its role in promoting a functional circular economy.
More Papers Like This
Advances and prospects of biochar in improving soil fertility, biochemical quality, and environmental applications
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This review examines how biochar, a charcoal-like material made from organic waste, can improve soil health and clean up pollutants including microplastics. Biochar's ability to absorb and trap contaminants makes it a promising tool for reducing microplastic pollution in agricultural soil. The findings suggest biochar could help limit the amount of microplastics that enter the food chain through crops grown in contaminated soil.
Biochar as a Climate-Smart Approach for Soil Health Improvement and Nano-/Microplastics Mitigation in Sustainable Agriculture: A Review
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Tiny plastic particles are building up in farm soils, potentially working their way into the crops we eat—but this review of existing research shows that biochar (a charcoal-like material made from plant waste) can trap these plastics in the soil, keeping them from moving into food crops. Biochar also boosts soil health by helping it retain water and nutrients, meaning healthier farmland could mean safer, more plastic-free food on our plates. That said, this is a summary of past studies rather than new experiments, and biochar isn't a perfect fix—it can backfire in certain salty, high-pH soils.
Biochar as a Climate-Smart Approach for Soil Health Improvement and Nano-/Microplastic Mitigation in Sustainable Agriculture: A Review
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Tiny plastic particles are building up in farm soils, potentially getting absorbed by crops we eat—but this review of existing research suggests that biochar (a charcoal-like material made from organic waste) can act like a sponge to trap these plastics in soil before they reach our food. It also improves soil quality and helps fight climate change, though scientists still need more research to understand its limits, especially in certain soil types.
Applications of biochar in the remediation of soil microplastic pollution: A review
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Researchers reviewed the use of biochar as a tool for remediating microplastic-contaminated soil. The study found that biochar application shows promise for addressing soil microplastic pollution by altering soil properties in ways that can reduce microplastic mobility and mitigate their negative effects on soil structure, plant growth, and biogeochemical cycling.
Biochar for a Plastic Planet: Unveiling Its Potential to Transform Microplastic-Contaminated Soils
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This review summarizes lab studies on biochar, a material made by heating plant or waste matter, as a soil additive for trapping microplastics and reducing their harmful effects on soil. Results varied depending on the biochar type and soil conditions, and researchers note that field testing and standardized measurement methods are still lacking.
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