You are viewing all Organic Growers Supply products related to “Phosphates.”

Amendments and Fertilizers

Minerals

Mineral
Fertoz Organic Granulated Rock Phosphate Fertilizer
(0-7-0, 20% total Phosphate, plus at least 30% Ca and 10% SiO2. Natural phosphorus source from mines in British Columbia, Montana, and Mexico.... read more

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Mineral
Phosphate, Tennessee Brown Rock
(0-3-0, 21-25% total P2O5) 40% CaO. The consistency of rich soil. Comes from the washing piles left behind when high-grade ore was extracted to... read more

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