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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 |
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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 |