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- VolcanoPhos originates from the Cargill Carbonatite-Phosphate Complex located near Kapuskasing, Ontario.
- It is currently the only available North American sourced igneous rock containing apatite (phosphorous source).
- Igneous rock provides a different suite of trace minerals compared to sedimentary rock primarily in rare earth elements while being lower in aluminum content.
- It meets the NOP (National Organic Program) requirements for use on certified organic farms as a clean mineral source to aid as a soil amendment.
- VolcanoPhos is typically applied at a rate of 300 to 500 lbs per acre each year until optimal phosphorus levels are reached.
- It is a slow release rock that should be added with a carbon source (when feasible) such as compost, peat to increase the speed of breakdown of the primary minerals into more plant available forms.
- When adding to raw materials prepared for composting, 10% VolcanoPhos is a recommended rate.
- It is available in different gradients depending on your requirements and needs.
- For optimal results, please follow a complete fertility program that includes regular soil testing.