Keyphrases
Wood Ash
83%
Fertilization
60%
Biomass Production
59%
Forest Soil
46%
Norway Spruce
40%
Europe
40%
Spruce Plantation
40%
Soil Solution
33%
Inorganic Nitrogen
30%
Denmark
30%
O Horizon
26%
Forest Biomass
26%
Production Response
25%
Base Cations
23%
Atmospheric Deposition
23%
Foliage
23%
Nutrient Status
22%
Fertilizer
20%
Ectomycorrhizal Diversity
20%
Nutrient-poor Soil
20%
Soil Chemistry
20%
Tree Development
20%
Tree nutrition
20%
Abies Nordmanniana
20%
In Situ Study
20%
Urban Trees
20%
Nutrient Metals
20%
Heavy Metal Flux
20%
Forest Stand
20%
Leaching
20%
Temporal Trends
20%
Biological Constraints
20%
Nordic Countries
20%
Baltic Countries
20%
Retention Capacity
20%
Biofuel Ash
20%
Betula Pendula
20%
Copenhagen
20%
Trace Elements
20%
Economic Constraints
20%
N Retention
20%
On-state Current
20%
Northern Forests
20%
Quercus Robur
20%
Nutritional Management
20%
Soil pH
20%
Environmental Constraints
20%
Spruce Stands
20%
Nutritional Research
20%
Frost Resistance
20%
Agricultural and Biological Sciences
Picea abies
100%
Biomass Production
80%
Wood Ash
67%
Plantation
60%
Soil Solution
53%
Heavy Metal
40%
Forest Soil
34%
Mineral Soils
24%
Mycelium
24%
Atmospheric Deposition
23%
Liming
23%
Sulfate
20%
Soil Chemistry
20%
Critical Load
20%
Mineral Fertilizers
20%
Nutrient Uptake
20%
Christmas Trees
20%
Tree Nutrition
20%
Betula pendula
20%
Fagus sylvatica
20%
Soil Depth
20%
Nutrient Management
20%
Quercus robur
20%
Soil Water
20%
Bioenergy
16%
Quercus
16%
