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willow and kelp
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February 17, 2014
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Itoero
Tomatovillian™
Join Date: Mar 2013
Location: Belgium
Posts: 186
Quote:
There is no soil or biology that is going to break apart the covalent rock mineral and make it available to plants
It's off-topic, but what is then the use of rockdust?
Itoero
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