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