How does the nutrient value of biosolids compare to other fertilisers?
The nutrient content of some organic fertilisers compared to Biosolids is shown below:
| Nutrient source | Nitrogen % | Phosphorus % |
| Animal by-product | ||
| Dried blood | 13.0 | 1.0 |
| Bone meal, steamed | 3.0 | 11.0 |
| Dried fish meal | 10.0 | 3.0 |
| Tankage, animal | 7.0 | 4.0 |
| Blood and bone, Bailey’s | 5.0 | 3.0 |
| Manures | ||
| Cattle manure | 2.0-5.0 | 0.7 |
| Horse manure | 2.0-8.0 | 0.5-1.5 |
| Poultry manure | 5.0-15.0 | 1.3 |
| Pig manure | 7.0 | 1.7 |
| Biosolids (dried) | 2.0 | 0.9 |
| Organic 2000 Turf Start ™ | 4.0 | 1.0 |
| Organic 2000 Turf Restore ™ | 8.0 | 1.0 |
| Dynamic Lifter ™ | 3.0 | 2.5 |
Modified from:
- DEPWRC (2001) ‘Environmental guidelines for the establishment and maintenance of turf and grassed areas.’ Department of Environmental Protection Water and Rivers Commission, Western Australia, Perth.
- Johnston K (1996) ‘Turf Irrigation and Nutrient Study – Turf Manual.’ Royal Australian Institute of Parks and Recreation – W.A. Region 1996.