Agriculture & Biology
aboveground biomass
15%
ash (inorganic matter)
18%
Betula pendula
17%
bioenergy
43%
biofuels
17%
biomass
33%
biomass production
23%
Brazil nuts
20%
carbon sequestration
15%
carbon sinks
48%
critical load
22%
cropland
16%
Denmark
22%
Estonia
17%
forest ecosystems
18%
forest land
21%
forest soils
23%
fuel production
17%
fuels (fire ecology)
22%
fuelwood
20%
governance
21%
hybrid poplars
17%
Latvia
17%
leaching
23%
Lithuania
34%
nitrogen
15%
nutrients
42%
peat soils
18%
Pinus sylvestris
28%
plantations
15%
Populus
28%
renewable energy sources
18%
sandy soils
19%
Scandinavia
24%
soil
19%
soil carbon
40%
soil minerals
17%
soil nutrients
16%
soil organic carbon
55%
soil solution
22%
Southeastern United States
15%
stand age
15%
stand development
19%
surface water
15%
sustainable forestry
30%
temperate forests
15%
tree nutrition
25%
willows
30%
wood density
16%
Earth & Environmental Sciences
alternative energy
16%
bioenergy
100%
bioenergy production
16%
biofuel
16%
biomass
66%
carbon
19%
carbon stock
38%
carbon storage
29%
certification
30%
critical load
18%
crop residue
16%
energy
23%
Europe
16%
forest ecosystem
16%
forest management
19%
forest soil
34%
fossil fuel
16%
fuel wood
18%
heat production
17%
market
22%
mineral
23%
mobilization
26%
nutrient
47%
nutrition
20%
organic carbon
25%
peat soil
17%
pine
23%
regulation
25%
rhizosphere
27%
root system
24%
sandy soil
18%
soil
38%
soil carbon
53%
sustainability
91%
sustainable forest management
18%
temperate forest
15%
water protection
18%
Engineering & Materials Science
Agriculture
15%
Ashes
18%
Biodiversity
36%
Bioeconomy
22%
Biofuels
19%
Biomass
85%
Biomaterials
16%
Carbon
31%
Crops
30%
Ecodesign
16%
Forestry
45%
Fossil fuels
18%
Nutrients
55%
Organic carbon
20%
Peat
19%
Renewable energy resources
16%
Soils
64%
Storage management
18%
Straw
16%
Supply chains
20%
Sustainable development
68%
Water quality
16%
Wood
39%