• Outdoor Gardening Soft Rock Phosphate - 5lb
  • Outdoor Gardening Soft Rock Phosphate - 5lb

Soft Rock Phosphate - 5lb

Article number:
7225
Availability:
In stock
Reviews:
$6.99
Excl. tax

Often called colloidal phosphate, soft-rock phosphate contains less phosphorus (16%) and calcium (19%) than hard-rock phosphate, but the nutrients are in chemical forms that plants can use more easily. This powder breaks down slowly, so one application may last for years in the soil. It also contains many micronutrients. NOP- Approved for Organic Production.
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