Agriculture & Biology
solar collectors
91%
composting
72%
bioreactors
64%
wetlands
63%
composts
63%
humidity
56%
aeration
45%
biomass
40%
wetland restoration
35%
Azolla filiculoides
34%
Typha latifolia
31%
environmental quality
27%
closed loop systems
27%
aquatic plants
24%
infrastructure
23%
carbon nitrogen ratio
23%
water quality
21%
cropping systems
20%
oxygen
15%
temperature
8%
Earth & Environmental Sciences
photovoltaic system
89%
composting
68%
compost
67%
bioreactor
60%
humidity
54%
wetland
50%
mountainous area
47%
aeration
41%
biomass
39%
aquatic plant
25%
environmental quality
22%
cropping practice
21%
material
17%
restoration
16%
infrastructure
16%
water quality
14%
rate
14%
oxygen
14%
project
11%
chemical
10%
temperature
8%
Engineering & Materials Science
Wetlands
100%
Composting
99%
Bioreactors
79%
Biomass
59%
Atmospheric humidity
58%
Water quality
26%
Restoration
21%
Chemical activation
19%
Oxygen
17%
Temperature
8%