You are viewing all Organic Growers Supply products related to “Phosphates.”
Amendments and Fertilizers
Minerals
Mineral
(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
Mineral
(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