We had a speaker at our last garden club meeting who was promoting
the use of rock dust to accomplish soil remineralization. I was
if anyone in the newsgroup has/had any personal knowledge in using
in their gardens or compost piles.
I know that there are products in the marketplace like Azomite,
and Agro-Winn, etc., but he was talking about going to gravel pits and
'rock fines' and/or 'pond fines' for a nominal fee or no cost and using
in your garden.
I use dolomite lime from ground up marble tailings every couple of
years. Since I'm near the source, it's the cheapest. Below is a
Marble consists of metamorphosed limestone or dolomite or both.
Although marble may be slightly soluble in water, karst will form in
marble areas as the minerals react chemically with dissolved carbon
dioxide and organic acids. Marble may be associated with contact or
regional metamorphism where phyllites, slates, schists, and
metaquartzites may be found. Marble is considered a carbonate rock.
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