Quote:
Originally Posted by malcolmf
You are right, David, they didn't. Nor did they bother spading it in. Recent thinking (Lehmann et al's Amazonian Dark Earths) is that Terra Preta, black earth, accumulated from burned waste from cooking fires and trash heaps around habitation, while Terra Mulata, brown earth, accumulated from in-field burning. M
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Sorry could you give a page reference for that?
My understanding was the charcoal was very fine in ADE,Terra preta?
