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Rock Dusts

Rock dusts represent an effective alternative for organic farming.

“Agrogeology… Farming with Rocks”

From the 18 elements essential for higher plants, all of them, with the exception of nitrogen, are derived from naturally occurring rocks and minerals.


Rock dusts represent an inexpensive and environmentally sound input for farmers and meet or exceed USDA NOP standards for certified organic production.

List of geological materials: