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2014-07-20T20:46:25+08:00

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Last year we had an (unsuccessful) investigatory project named "Bio-Char" the goal of this investigatory project is to make the "healthiest" kind of soil, all you have to do is mix soil, charcoal and decomposing matter, as far as I know is that you have to "cook" it in an oven type machine.
I hope yours will be successful cause ours wasn't =D
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