Earth & Environmental Sciences
paraquat
100%
waterway
66%
pesticide
55%
bromoxynil
37%
agriculture
22%
herbicide
22%
regulation
14%
fish kill
14%
water hyacinth
14%
agricultural runoff
14%
method
14%
methodology
12%
pest
12%
weed
12%
snail
11%
crop yield
11%
aquatic environment
10%
aquatic ecosystem
10%
plankton
10%
European Union
10%
natural environment
9%
human health
8%
agricultural land
8%
toxicity
7%
crop
7%
safety
7%
health
7%
organism
7%
animal
7%
science
6%
economics
6%
world
6%
cost
5%
chemical
5%
effect
2%
Social Sciences
shipping lane
84%
agriculture
32%
Animal pests
25%
evidence
21%
Agricultural land
16%
Government regulation
15%
methodology
13%
sale
12%
health
11%
water
10%
European Union
9%
inclusion
8%
regulation
7%
costs
7%
economics
5%
literature
5%