Table 7 Compensatory actions to replace harvested nutrients (i.e. application of ash or fertilizer) in forest biomass harvesting guidelines, as percent occurrence in 21 North American and 10 European jurisdictions or regions
From: Sustainable forest biomass: a review of current residue harvesting guidelines
| Action or detaila | North America | Europe |
|---|---|---|
| Ash application | ||
| Rationale | 10 | 70 |
| Ash typeb | 5 | 50 |
| Nutrient concentration (minimum content) | 0 | 30 |
| Contaminant concentration (maximum allowed) | 0 | 60 |
| Ash application rate | 0 | 60 |
| Appropriate sites | 0 | 70 |
| Inappropriate sites or timing of application | 0 | 70 |
| Fertilizer application | ||
| Treatment is mentioned | 19 | 80 |
| Appropriate sites | 5 | 70 |
| Inappropriate sites | 5 | 40 |
| Elements in fertilizer, or fertilizer application rate | 5 | 40 |