Earth & Environmental Sciences
European Union
82%
nitrogen
79%
Europe
65%
relocation
64%
pig
58%
grassland
55%
management practice
55%
organic carbon
50%
greenhouse gas emissions
48%
milk production
46%
dietary shift
45%
farm
44%
carbon stock
41%
soil
41%
livestock
40%
cost
39%
food
38%
pollution
38%
maize
37%
international trade
36%
agricultural production
35%
carbon footprint
34%
environmental regulation
33%
agriculture
32%
bioenergy
32%
feasibility study
31%
cereal
31%
soybean
31%
manure
30%
nitrous oxide
30%
footprint
28%
biogas
28%
milk
28%
digestion
28%
mitigation
25%
ammonia
25%
policy
22%
nutrient
22%
methane
22%
dam
22%
emission estimation
21%
surplus
20%
climate
19%
animal
19%
organic matter
19%
production system
18%
decision
18%
barley
15%
monitoring
15%
transition
12%
Agriculture & Biology
Netherlands
100%
soil organic carbon
91%
soil organic matter
55%
farms
48%
greenhouse gas emissions
43%
agriculture
43%
carbon sinks
42%
livestock
40%
emissions factor
39%
soil
39%
grasslands
38%
animal production
37%
environmental law
37%
food production
36%
mineral soils
36%
information systems
36%
international trade
34%
greenhouse gases
34%
carbon sequestration
33%
nitrogen
32%
bioenergy
32%
sustainable agriculture
31%
soil quality
30%
European Union
30%
dairy farming
29%
biodiversity
28%
carbon dioxide
28%
methane
28%
winter wheat
27%
soil function
27%
corn
27%
cropland
26%
Triticum aestivum
24%
animal-based foods
24%
farming systems
24%
nutrients
23%
climate
23%
production technology
22%
fertilizers
22%
phosphorus
21%
soybeans
21%
soil sampling
21%
diet
21%
animal well-being
20%
surpluses
20%
land use
20%
pork
19%
biomass production
19%
soil conservation
18%
monitoring
18%