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Re: rock dust
Rock dust is the dust of rocks that have been ground up by some process.
Depending on the original rocks, it is useful to remineralize soil--to add
trace minerals that probably have been removed by natural leaching,
chemical agriculture and/or acid rain.
For Mother Earth, Dan Hemenway, Yankee Permaculture Publications (since
1982), Elfin Permaculture workshops, lectures, Permaculture Design
Courses, consulting and permaculture designs (since 1981), now offering by
email a Permaculture Design Correspondence Course. Copyright, 1996, Dan &
Cynthia Hemenway. YankeePerm@aol.com
We don't have time to rush.
References: