there is a lot about true terra preta that we do not know about. for example, its ability to "grow" back after being harvested. some south american natives, come in and harvest the topsoil. say the terra preta was 6 ft deep before they took any soil. now say they take 3 ft of the terra preta. whats amazing is in a few years they can come back and there will be 6ft of TP because it grew back. there is still so much to learn about it.
Emerson White wrote:And they will sell you all 6 feet of it for only 1.5 times the price .
Joel Hollingsworth wrote:
[T]hey came from academic types interviewing the people who sell the stuff.
Joop Corbin - swomp wrote:how much char compared to manure and/or fish remainings? also what type of charcoal is good. i guess regular bbq packs are no good?
Emerson White wrote:
A good salesmen never stops.
Tera Preta gets its dark color from charcoal, charcoal does not reproduce itself, it must be made at high temperatures (think at least 400 F)...charcoal and pottery shards do not reproduce themselves
Emerson White wrote:I just don't think that there story makes much sense, and I've looked at the problem from a few different angles as you can see. Do you see what I mean?
Tera Preta gets its dark color from charcoal, charcoal does not reproduce itself, it must be made at high temperatures (think at least 400 F) there for it is impossible for the tera preta to grow itself.
i was very skeptical of soil "Growing" myself, but its a known fact that it does happen
Emerson White wrote:
I'm sorry if you posted it, but do you have any litterature that shows Terra Preta growing? Is it growing itself or is it making standard topsoil around itself? Are the types of activity that people are doing on it growing the topsoil or is just lying fallow working? I'll believe that people gardening and mixing in compost will improve the soil over time, maybe even deepening it, but to my knowledge it will not have the same composition as TP.
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