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Originally Posted by gost
the book are available online, however. Do a google search on Amazonian Dark Earths Lehman and look for the PDF files.
A note about the pottery fragments: Most of the fragments were of undecorated kitchen pots and bowls of daily use that had been fired at low temperatures. Clay materials were often mixed with sand, crushed older pottery, and/or plant material.
I have yet to find any reference as to what effect the fragments may have had on plant growth.
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Bentonise and/or Attaputite are clays (activated?) used in cat litter.
I am not sure what the word activated means when applied to clay but I think these are "activated"
They are very absorbent, so may help hold water in the soil or help lighten or aerate it
Has anyone used these in soil or in potting mix?
Some links on Compost/Microbial? Teas:-
http://www.taunton.com/finegardening/pages/g00030.asp
http://www.permaculture.org.au/files...ivingProof.pdf
The marjiuana web site was still the best. I sent them an email asking why I could't re-vist the article but got no reply.
