Landbrug og biologi
wood ash
99%
ash (inorganic matter)
69%
nitrogen
39%
soil
34%
biofuels
17%
Nematoda
14%
dosage
12%
bacterial communities
12%
dissolved organic nitrogen
9%
soil food webs
9%
dissolved organic carbon
8%
timber production
7%
liming
7%
wood chips
7%
nutrients
7%
alkalinity
7%
bacteria
6%
combustion
6%
tree growth
6%
laws and regulations
6%
Picea abies
6%
application rate
6%
mineralization
6%
community structure
5%
soil organic matter
5%
Protozoa
5%
plantations
5%
production technology
5%
fertilizers
4%
ecosystems
4%
microorganisms
4%
degradation
3%
organisms
3%
Geo- og miljøvidenskab
wood ash
100%
inorganic nitrogen
79%
ash
56%
soil
29%
nematode
21%
biofuel production
15%
dose
13%
nutrient
8%
dissolved organic nitrogen
7%
bacterium
7%
liming
7%
ecosystem process
6%
production system
6%
biofuel
6%
alkalinity
6%
dissolved organic carbon
5%
food web
5%
plantation
5%
legislation
5%
dosage
5%
fertilizer
5%
community structure
5%
combustion
4%
microorganism
4%
mineralization
4%
decomposition
4%
disturbance
4%
organism
4%
organic matter
4%
effect
2%
rate
2%
Teknik og materialevidenskab
Ashes
71%
Nitrogen
63%
Wood
63%
Soils
53%
Biofuels
17%
Nutrients
13%
Bacteria
11%
Protozoa
9%
Organic carbon
8%
Biological materials
6%
Alkalinity
6%
Fertilizers
6%
Microorganisms
6%
Ecosystems
5%
Decomposition
3%
Availability
3%