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.

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%