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REFERTIL Newsletter - Progress in biochar EU law harmonization efforts (PDF)
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REFERTIL Newsletter - Biochar Alalytical Newsletter (PDF)
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REFERTIL Newsletter - Biochar Permit (PDF)
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REFERTIL Newsletter - Compost and Biochar Agronomical Evaluation Tests - March 2015 (PDF)
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REFERTIL Newsletter - Compost edition - December 2014 (PDF)
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REFERTIL Newsletter - Biochar edition - March 2014 (PDF)
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