Agriculture & Biology
energy crops
100%
landowners
80%
energy policy
46%
agricultural exhibitions
46%
soybeans
43%
bioenergy industry
40%
corn
37%
Panicum virgatum
35%
ecosystem services
31%
uncertainty
29%
biofuels
27%
crop production
27%
farmers
20%
markets
20%
economics
19%
crops
15%
methodology
8%
Earth & Environmental Sciences
crop
63%
landowner
51%
soybean
48%
maize
39%
national security
30%
energy policy
25%
crop production
23%
ecosystem service
19%
price
18%
market
16%
demand
14%
industry
13%
economics
12%
land
12%
method
4%
Engineering & Materials Science
Biofuels
39%
National security
22%
Energy policy
21%
Conservation
17%
Economics
11%
Uncertainty
11%
Industry
7%