| Growing Media | ||||
|---|---|---|---|---|
| Sylvamix® Nursery Stock | Sylvamix® Potting | Sylvamix® Natural | Melcourt Salad-Bag® |
|
| 1. Main constituents | Coniferous bark and woodfibre | Coniferous bark, woodfibre and green compost | Coniferous bark and woodfibre | Bark Formulation |
| 2. Origin | European | European | European | European |
| 3. Nominal particle size range | 0 - 6 mm | 0 - 6 mm | 0 - 6 mm | 0 - 5 mm |
| 4. pH | 5.5 | 6.0 | 5.5 - 6.0 | 4.5 - 5.5 |
| 5. Typical Bulk Density Range | 380 - 420 kg/m3 |
400 - 440 kg/m3 |
380 - 420 kg/m3 |
320 - 360 kg/m3 |
| 6. Moisture Content | 50 % | 50 % | 50 % | 52 % |
| 7. Air-Filled Porosity | 20 % | 13 % | 22 % | 18 % |
| 8. Electrical Conductivity | 500 µS/cm | 550 µS/cm | 550 µS/cm | 200 µS/cm |
| 9. Plant Avaliable Nitrogen (N) | 350 mg/l | 250 mg/l | 110 mg/l | negligible |
| 10. Plant Avaliable Phosphorus (P) | 80 mg/l | 80 mg/l | 32 mg/l | negligible |
| 11. Plant Avaliable Potassium (K) | 270 mg/l | 300 mg/l | 750 mg/l | negligible |
| 12. Soil Assoc. Approved | No | No | Yes | No |
| 13. Quality Range | Deluxe | Deluxe | Deluxe | Deluxe |
| Notes | |
| From August 2007 the Sylvamix range became a Vapogro Ltd brand, available from Avoncrop Ltd. www.avoncrop.co.uk | |
| The values given in the above table are typical. However, the nature of the products dictates that it is not possible to be exact, and small variations may occur. | |
| Lines 4, 5, 6, 8, 9, 10, 11 | These analyses are carried out in accordance with the methods listed in the new European Standards for Soil Improvers and Growing Media. |
| Line 7 | This analysis is carried out in accordance with the method listed in BS 4156 for peat. |
| Line 12 | These products are approved by the Soil Association as restricted inputs into organic systems. |