Authors: NILSEN P BORJA I KNUTSEN H BREAN R

Citation: P. Nilsen et al., NITROGEN AND DROUGHT EFFECTS ON ECTOMYCORRHIZAE OF NORWAY SPRUCE [PICEA-ABIES L. (KARST.)], Plant and soil, 198(2), 1998, pp. 179-184

Authors: MULDER J NILSEN P STUANES AO HUSE M

Citation: J. Mulder et al., NITROGEN POOLS AND TRANSFORMATIONS IN NORWEGIAN FOREST ECOSYSTEMS WITH DIFFERENT ATMOSPHERIC INPUTS, Ambio, 26(5), 1997, pp. 273-281

Authors: NILSEN P ABRAHAMSEN G

Citation: P. Nilsen et G. Abrahamsen, NUTRIENT BALANCE IN SCOTS PINE (PINUS-SYLVESTRIS L) FOREST .5. TREE GROWTH IN A FIELD PLOT EXPERIMENT, Water, air and soil pollution, 85(3), 1995, pp. 1143-1148

Authors: HINDAR A NILSEN P SKIPLE A HOGBERGET R

Citation: A. Hindar et al., COUNTERACTIONS AGAINST ACIDIFICATION IN FORESTS ECOSYSTEMS, EFFECTS ON STREAM WATER-QUALITY AFTER DOLOMITE APPLICATION TO FOREST SOIL IN GJERSTAD, NORWAY, Water, air and soil pollution, 85(2), 1995, pp. 1027-1032

Authors: NILSEN P

Citation: P. Nilsen, EFFECT OF NITROGEN ON DROUGHT STRAIN AND NUTRIENT-UPTAKE IN NORWAY SPRUCE PICEA-ABIES (L) KARST) TREES, Plant and soil, 172(1), 1995, pp. 73-85