Landbrug og biologi
agricultural land
14%
climate change
12%
control methods
13%
crops
7%
decision making
14%
economists
21%
engineers
15%
farmers
31%
farming systems
12%
genotype
8%
herbicide resistance
17%
human resources
14%
industry
9%
infrastructure
16%
international trade
17%
land management
18%
land use
14%
learning
13%
managers
43%
marketing policy
23%
markets
10%
sociologists
25%
spatial distribution
12%
teachers
18%
weed control
82%
weeds
71%
Geo- og miljøvidenskab
agricultural land
6%
climate
4%
crop
5%
decision making
5%
environmental damage
9%
farming system
8%
genotype
8%
global trade
11%
government policy
9%
herbicide
8%
industry
4%
infrastructure
5%
innovation
6%
land
17%
land management
7%
land use
5%
learning
6%
market
11%
policy
9%
policy instrument
10%
rate
2%
spatial distribution
5%
weed
100%
world
4%