Agriculture & Biology
biogas
80%
Ethiopia
78%
indicator species
77%
pathogens
43%
feedstocks
40%
Enterococcus
32%
households
27%
hand washing
22%
animal wastes
19%
Escherichia coli
19%
organic wastes
18%
drums (equipment)
18%
agricultural wastes
17%
anaerobic digestion
17%
Sub-Saharan Africa
16%
fluid mechanics
13%
hands
12%
farms
9%
energy
8%
methodology
4%
Engineering & Materials Science
Pathogens
100%
Biogas
85%
Door handles
50%
Feedstocks
44%
Escherichia coli
37%
Domes
34%
Agricultural wastes
20%
Anaerobic digestion
19%
Balloons
18%
Washing
17%
Farms
14%
Animals
14%
Hydraulics
11%
Costs
5%
Earth & Environmental Sciences
digester
80%
biogas
72%
pathogen
57%
organism
50%
indicator
43%
dome
23%
household
20%
animal waste
16%
agricultural waste
14%
organic waste
13%
anaerobic digestion
12%
farm
10%
Africa
9%
hydraulics
8%
land
6%
need
6%
cost
6%
energy
6%
method
2%