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    "headline": "Biochar Softened a Two-Pollutant Soil Stress",
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    "dek": "One percent biochar reduced earthworm avoidance in soils containing copper and commercial glyphosate.",
    "summary": "One percent biochar reduced earthworm avoidance in soils containing copper and commercial glyphosate.",
    "body_text": "In laboratory soil tests, combined copper and glyphosate produced avoidance as high as 100 percent. Adding one percent biochar lowered avoidance by roughly 27 to 29 percent. The earthworm response is an ecological indicator, not proof of full detoxification or field-scale remediation.",
    "why_it_matters": "One percent biochar reduced earthworm avoidance in soils containing copper and commercial glyphosate.",
    "limitations": [
      "In laboratory soil tests, combined copper and glyphosate produced avoidance as high as 100 percent.",
      "The earthworm response is an ecological indicator, not proof of full detoxification or field-scale remediation."
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        "qualification": "In laboratory soil tests, combined copper and glyphosate produced avoidance as high as 100 percent."
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      "biochar",
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      "source_id": "source-2026-07-20-017",
      "title": "Chinese Academy of Sciences via Newswise: Biochar and mixed soil pollution",
      "publisher": "Chinese Academy of Sciences via Newswise",
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    "title": "Biochar Softened a Two-Pollutant Soil Stress",
    "publisher": "The Machine Press",
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