Tennessee Brown Rock
The following product is OMRI Listed. It may be used in certified organic production or food processing and handling according to the USDA National Organic Program Rule.

Phosphorus Based Fertilizer
0-22-0
P2O5 22%
P2O5 Available 6.0%

Category | NOP: Phosphate Rock |
Class | Crop Fertilizers and Soil Amendments |
Status | Allowed |
Product Number | Cal-3238 |
Applications
- Any soil, anytime
- Does not require a low pH to release
- Typical application rates range from 300-500+ lbs/acre
- Increased application rates will create a semi-permanent phosphate reserves that will not leach or tie-up calcium
Benefits
- Increases photosynthesis
- Increases forage quality
- Increases Brix giving insect and disease resistance and added test weight
- Excellent for microbial stimulation including mycorrhizial formation on roots
- Excellent calcium source 20%
- Excellent for composting operations to increase available trace minerals.
Physical Properties
- A unique Reactive Rock source of natural phosphate with NOP certification for organic use
- Average content of 22% P2O5
- Will spread with a spinner cart when dry
- Hydroscopic ; this product will absorb moisture in rainy or high humidity conditions
- May require wet lime spreader when very damp
Chemical Analysis
(Dry Basis):
P2O5
P2O5
Fe2O3
CaO
SiO2
Typical:
22.7%
Avail 3.0%
3.5%
39.9%
22.9%
Range %
21.0-25.0
3.0-7.0
3.5-4.5
37.0-41.0
20.0-24.0
Typical Analysis: 0-22-0
Moisture: 10-12% (Hydroscopic)
Bulk Density: 90 lbs/ft3
Specific Gravity: 1.28
Dry Screening
4 mesh: 97%
16 mesh: 78%
50 mesh: 31%
100 mesh: 13%
200 mesh: 3%