Agriculture & Biology
bioenergy
44%
biogas
88%
case studies
17%
community farming
27%
crops
10%
energy
48%
entrepreneurship
27%
environmental economics
26%
environmental impact
19%
farmers
14%
farming systems
16%
feedstocks
18%
food security
20%
income
17%
interviews
19%
livelihood
22%
Philippines
63%
renewable energy sources
45%
rice
40%
rice straw
89%
social sustainability
31%
stakeholders
22%
straw
18%
supply balance
25%
sustainable development
23%
Earth & Environmental Sciences
agricultural practice
22%
alternative energy
18%
bioenergy
67%
biogas
79%
crop
14%
energy
19%
energy demand
21%
energy supply
22%
energy technology
23%
entrepreneur
26%
environmental economics
21%
environmental impact
15%
food security
20%
harvest
18%
income
17%
livelihood
19%
local authority
22%
pilot plant
20%
province
12%
rice
71%
stakeholder
16%
straw
82%
supply and demand
22%
sustainability
60%
sustainable development
16%
Engineering & Materials Science
Biogas
93%
Crops
22%
Economics
13%
Environmental impact
19%
Feedstocks
20%
Industry
35%
Pilot plants
22%
Renewable energy resources
16%
Straw
100%
Sustainable development
72%