Technical Information No1
Organic Peat Free Compost Technical and Nutritional Information
Typical information
Nutrients
Typical information
| Particle Size Distribution (sieve analysis) | 100% passing at a 15.0 mm screen >90% passing at a 8.0 mm screen >50% passing at a 1.0 mm screen |
| Bulk density | 650 g/litre |
| Moisture content | 35% m/m |
| Dry matter | 65% m/m |
| Organic matter (as loss on ignition) | 25% of the dry matter |
| Carbon:Nitrogen ratio | 12:1 |
| pH | 7.5 |
| Electrical conductivity | 400mS/cm |
| Purity | Substantially free of physical contaminants, viable weed seeds and pathogens |
| Potentially toxix elements ("heavy metals") | Within acceptable limits |
Nutrients
| As received basis |
Total mg/litre |
Water soluble mg/litre |
% solubility in water |
| Nitrogen as N |
3,500 |
50 |
1.4 |
| Phosphorous as P |
600 |
20 |
3.3 |
| Potassium as K |
1,900 |
800 |
42 |
| Calcium as Ca |
7,000 |
100 |
1.4 |
| Magnesium as Mg |
600 |
20 |
3.3 |
| Sulphur as S |
500 |
50 |
10 |
| Iron as Fe |
3,000 |
50 |
1.7 |
