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| Top Soil Bulk Supply product range: | Top Soil Bagged Supply product range: |
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As well as having visual consistency, Freeland topsoil is free from non-soil material, brick and other building material and waste, hydrocarbons, perennial weeds and other foreign material or substances that would render the topsoil unsuitable for use.
Examples of Typical Specifications
| Parameter | Multi-purpose Top Soil specification | Wild Flower, Low Nutrient Soil specification |
|---|---|---|
| Sand | 55-85%¹ | 55-80%¹ |
| Silt | 10-40% | 10-30% |
| Clay | 7-20% | 5-18% |
| Nitrogen | > 0.15% | > 0.1% |
| Phosphorous | 36-100 mg/l | < 15 mg/l |
| Potassium | 240-1200 mg/l | < 240 mg/l |
| Magnesium | 50-600 mg/l | < 150 mg/l |
| Organic-matter | 4-8% | 3-15% |
| Permeability | 4-35 mm/hr | 4-35 mm/hr |
| Air-filled porosity | 12-20% | 15-30% |
| pH Value | 6.8-8.5 | 6.5-7.8 |
| Electrical Conductivity (1:2.5 Water Extract) |
< 1500 µS/cm | < 1500 µS/cm |
| Electrical Conductivity (CaSO4 Extract) |
< 2800 µS/cm | < 2800 µS/cm |
| Exchangeable Sodium | < 15% | < 15% |
| Calcium Carbonate | < 5% | < 5% |
| ¹ of which, the medium sand fraction (0.25-0.5mm) shall be at least 45% w/w | ||