From: Sustainable forest biomass: a review of current residue harvesting guidelines
Action or detaila | North America | Europe |
---|---|---|
Ash application | Â | Â |
 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 | Â | Â |
 Treatment is mentioned | 19 | 80 |
 Appropriate sites | 5 | 70 |
 Inappropriate sites | 5 | 40 |
 Elements in fertilizer, or fertilizer application rate | 5 | 40 |