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