Florida soft rock phosphate (Calphos)
- 50 lb. bag
- Recommended method of application: Drop spreader, or some Broadcast spreaders
- Material: medium-course powder
- T/his is a mined rock phosphate from Florida. It contains around 3% available phosphate (but 20% total phosphate that your microbes can work on unlocking for your plants). Also contains 20% calcium as calcium oxide.
- Use where phosphate is needed at the rate of 250-1000 lbs per acre, or more in soils very deficient in phosphate.
- Always check with your organic certifier before using any product.
$23.00Price