Earth & Environmental Sciences
manure
100%
safety
92%
livestock
73%
nutrient
67%
pollutant
61%
farming system
56%
agriculture
55%
hormone
54%
antibiotics
51%
farm
44%
human health
42%
risk assessment
40%
zoonosis
37%
crop
37%
nutrient budget
36%
animal health
34%
chemical substance
32%
livestock farming
32%
waste recycling
30%
food waste
29%
nutrient cycling
28%
crop production
28%
soil texture
27%
soil fertility
27%
surplus
27%
crop yield
27%
import
25%
medicine
25%
virus
25%
sewage sludge
24%
pathogen
24%
nanoparticle
24%
additive
23%
pesticide
22%
fertilizer
22%
drug
21%
recycling
20%
plastic
20%
heavy metal
18%
hazard
18%
animal
17%
organic matter
17%
bacterium
16%
need
13%
project
13%
particle
12%
chemical
12%
modeling
10%
distribution
9%