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Posted by FarmI on May 4, 2007, 4:44 pm
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I know that you aren't impressed with Permaculture but I thought you would
be interested in the following;
http://www.rosneath.com.au/ipc6/
When you get the site up, select "Proceedings" then select "Table of
Contents" then select "Chapter 2" then select "The use of earthworms to
convert hardpan to arable soil......."
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