4 ms·
Yes, few years ago I was really surprised to learn that much of highly fertile amazon soil patches were created by humans using biochar. See https://en.wikipedi
by vasusen 2mo ago
Yes, few years ago I was really surprised to learn that much of highly fertile amazon soil patches were created by humans using biochar. See https://en.wikipedia.org/wiki/Terra_preta https://en.wikipedia.org/wiki/Terra_preta
- t-3 2mo agoUnintentionally. People have been mixing biochar into soil for fertility since the beginning of agriculture with slash-and-burn, but terra preta is the result of waste dumps (human waste, ashes, bones, pottery, other garbage) in settlements composting, not something people were intentionally creating.