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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

  1. aSee Additional file 1: Table ST-9 for more details
  2. bAsh type: bottom, fly, granulated, hardened, etc.