Earth & Environmental Sciences
alternative agriculture
88%
sustainability
54%
community ecology
19%
agricultural research
18%
crop rotation
18%
plant production
17%
biomass
17%
economics
16%
pest
16%
weed
16%
resource use
15%
farming system
15%
soil fertility
15%
production system
15%
conceptual framework
15%
trade-off
15%
agricultural production
14%
cropping practice
14%
fitness
14%
plant community
13%
society
11%
crop
10%
agriculture
10%
world
8%
need
7%
test
5%
method
3%
Agriculture & Biology
environmental knowledge
100%
ecologists
43%
agronomists
25%
plant ecology
25%
community ecology
24%
economic factors
23%
plant improvement
23%
biomass
22%
agricultural research
19%
plant communities
17%
cropping systems
17%
soil fertility
16%
production technology
15%
farming systems
15%
weeds
14%
agriculture
13%
pests
13%
farmers
12%
economics
12%
synthesis
9%
testing
7%
methodology
4%