|
|||||
|
|
Short-term effects of hardened wood ash and nitrogen fertilisation in a Norway spruce forest on soil solution chemistry and humus chemistry studied with different extraction methods |
|
| Authors: | Nicholas Clarke Tonje Økland Kjersti Holt Hanssen Jørn-Frode Nordbakken Katarzyna Wasak |
| Institution: | 1. Norwegian Institute of Bioeconomy Research, ?s, Norwaynicholas.clarke@nibio.no;3. Norwegian Institute of Bioeconomy Research, ?s, Norway;4. Institute of Geography and Spatial Management, Jagiellonian University, Cracow, Poland |
| Abstract: | |
| Keywords: | Ash recycling nitrogen fertilisation humus soil solution trace elements ammonium nitrate extraction nitric acid/perchloric acid digestion |