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Lettuce Seedling Trials with assorted Biochars & Fertilizers Fourth Trial First, Second, Third  |
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Using Biochar in Soil 2-page summary 
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Jim Welch
Rocket Stove + Retort 
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Rocket Stove
CONSTRUCTION 
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Biochar in Soils for farmers IBI fact sheet
Conducting
| Biochar Trials Dr. Julie Major IBI guidebook 
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