Earth & Environmental Sciences
soil carbon
100%
soil
97%
biogas
76%
organic carbon
72%
carbon stock
72%
digester
62%
peatland
57%
carbon
54%
greenhouse gas emissions
38%
household
36%
climate
35%
loss
34%
Africa
34%
modeling
33%
land use change
33%
nitrogen
31%
wind farm
30%
crop
29%
climate change
28%
peat
28%
fertilizer
26%
greenhouse gas
26%
land use
24%
simulation
24%
organic soil
24%
soil management
24%
carbon sequestration
24%
mineral
21%
manure
21%
soil respiration
20%
crop production
19%
energy crop
19%
plantation
19%
coppice
18%
carbon dioxide
18%
mitigation
17%
forestry
17%
methane
17%
peat soil
16%
farm
16%
nutrient
15%
comparison
15%
grassland
15%
bioenergy
15%
decomposition
15%
soil nitrogen
15%
tropical soil
15%
pedotransfer function
14%
pine
14%
evaluation
13%
Agriculture & Biology
biogas
60%
soil carbon
48%
soil
43%
soil organic carbon
40%
Sub-Saharan Africa
36%
greenhouse gas emissions
32%
carbon
31%
land use change
29%
organic carbon
26%
carbon sinks
26%
peatlands
26%
Ethiopia
26%
farming systems
25%
households
25%
mineral soils
25%
climate change
24%
nitrogen
22%
soil respiration
22%
short rotation forestry
22%
carbon dioxide
20%
climate
19%
peat
19%
plantations
18%
United Kingdom
18%
Elaeis guineensis
18%
cropland
18%
tillage
17%
highlands
16%
soil organic matter
16%
carbon sequestration
16%
willows
15%
land use
15%
greenhouse gases
14%
Wales
14%
fertilizers
14%
cooking stoves
13%
nutrients
13%
animal manures
13%
crops
13%
ecosystem services
13%
energy
12%
methane production
12%
England
12%
nitrogen fertilizers
12%
soil texture
12%
farmers
12%
environmental science
11%
anaerobic digestion
11%
crop production
10%
