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