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BioChar (Terra Preta) - Improving Soils - Capturing Human Waste Nutrients - Decreasing Atmospheric CarbonBioChar (Terra Preta) - Soil Tilth Improvements & Decreasing Atmospheric Carbon Dioxide with fine-grained charcoal high in organic carb… Started by Heather K |
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Sep 23, 2009 Reply by Heather K |
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