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Natural Rock Phosphate works synergistically with Mycorrhizae and is friendly to all soil organisms. Chemical forms of phosphorous can damage Mycorrhizae and other beneficial soil organisms. Natural Rock Phosphate is mined in Montana and ground into an extremely fine powder and then formed into granules with an all-natural binder, making it easy to spread. Great for all vegetable and flower gardens, shrubs, and trees.
The application rate is 2 to 4 pounds per 100 square feet. Mix into the soil.
Guaranteed Analysis:
Available Phosphate: 3%
Total Phosphate: 18%
Insoluble Phosphate: 15%
Calcium: 18%
Derived from a naturally occurring unacidulated soft phosphate mineral with colloidal clay.
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Ships within 48 hours · Estimated delivery Jun 25 - Jun 30
US$40
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