Agriculture & Biology
agricultural land
28%
biogas
94%
biomass
17%
carbohydrates
19%
carbon
18%
corn
18%
crops
46%
electric power
35%
energy
34%
energy content
30%
energy crops
65%
farms
19%
fermentation
20%
food production
28%
forage
22%
forage beets
44%
grasses
21%
hydrogen
79%
hydrogen production
65%
methane
28%
methane production
61%
permanent grasslands
38%
rye
29%
selection criteria
31%
sugar beet
29%
Earth & Environmental Sciences
agricultural land
17%
biogas
84%
biomass
13%
carbohydrate
21%
carbon
12%
crop
62%
electrical power
27%
energy
21%
energy crop
57%
farm
18%
fermentation
19%
fodder
27%
food production
22%
forage
23%
grass
18%
grassland
17%
harvest
39%
hydrogen
67%
land
12%
maize
19%
methane
49%
set-aside
29%
substrate
29%
sugar beet
30%
Engineering & Materials Science
Biogas
100%
Biomass
13%
Carbohydrates
20%
Carbon
10%
Chemical analysis
9%
Crops
96%
Farms
14%
Fermentation
16%
Hydrogen
68%
Hydrogen production
32%
Methane
40%
Substrates
20%
Sugar beets
24%