In article ,
songbird wrote:

calciferous fragment? ;o)

Worms can cycle the calcium in an environment, but they can't add to it
by their presence. You need a source like dead (preferably;O) animals,
limestone, or egg shells.

I think worms are big into leaves, forest litter, and mulch.




The World Without Us by Alan Weisman (Jul 10, 2007)

http://www.amazon.com/World-Without-...1C2E0QK/ref=sr
_1_1?s=books&ie=UTF8&qid=1300338811&sr=1-1

You'll like it.
--
http://www.youtube.com/watch?v=hYIC0eZYEtI
http://www.democracynow.org/blog/2011/3/7/michael_moore
http://www.youtube.com/watch?v=eZkDikRLQrw
http://www.youtube.com/watch?v=MyE5wjc4XOw