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To Make Crushed Powdered Quartz Fertilizers

Granite rock dust as a plant fertilizer,jul 09, 2014 why granite rock dust is a valuable fertilizer? granite rock dust is made of volcanic rock. that means it contains different elements, including many trace elements. trace elements are often neglected by commercial fertilizers formulas, so adding granite rock dust to your soil will help you to grow truly nutrient dense fruit and vegetables.

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