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38 %
38 %

Rock Phosphate

$11.99$18.49

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Rock Phosphate

Long-term, slow-release calcium and organic phosphate. builds up native and depleted soils. An organic, untreated Soft Rock Phosphate (0-3-0) with colloidal clay containing valuable trace minerals in addition to phosphorus.

Since phosphorus is lacking in most soils, applications are a must for superior results. Contains a minimum of 3% available (and a minimum of 20% total) phosphoric acid (P2O5) and 20% Calcium (Ca).

OMRI Listed for use in organic production. Once applied, rock phosphate remains in the soil until used by the plants – will not leach. Ideal for fruiting and flowering plants, it stimulates strong root formation, hastens crop maturity and encourages earthworms and soil bacteria.

Weight5.06 lbs
Weight

5 lb, 10 lb

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