Bioactivated charcoal - called biochar - can dramatically improve soil quality, and this first book on gardening with biochar addresses how to make it at home and use it to increase soil's biological activity and water-holding capacity.
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Bioactivated charcoal - called biochar - can dramatically improve soil quality, and this first book on gardening with biochar addresses how to make it at home and use it to increase soil's biological activity and water-holding capacity.
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