permaculture

[Keith Johnson <keithdj@mindspring.com>]

Right, Larry, I've used a number of sources for dusts and fines 
including a quarry in the northwest that produced a super-fine material 
that worked very fast. Even the coarser material is effective but takes 
a little longer for results to show up. I urge those interested to ask 
for details from each particular regional quarry as they are required to 
have their material tested for heavy metals and should be able to 
provide a detailed assay of mineral components.

Lawrence F. London, Jr. wrote:

> > Pure environmentally clean finely ground rock dusts can be had free 
> > for the hauling from nearly all rock quarrries - this material is 
> > nearly as valuable as rock phosphate and greensand and  adds 
> > significantly to the  flavor and nutritional quality of  crops.

--
Keith Johnson
Permaculture Activist Magazine
PO Box 1209
Black Mountain, NC 28711
(828)669-6336

also Patterns for Abundance Design & Consulting
Culture's Edge at Earthaven Ecovillage
http://www.permacultureactivist.net
http://www.earthaven.org
http://www.bioregionalcongress.org





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