Earth & Environmental Sciences
soil
90%
organic carbon
85%
carbon sequestration
78%
crop
70%
soil carbon
67%
greenhouse gas
64%
greenhouse gas emissions
49%
European Union
44%
climate
43%
modeling
43%
mitigation
40%
nitrous oxide
38%
rice
37%
fertilizer
37%
grassland
36%
land use change
32%
carbon stock
32%
land use
29%
manure
28%
lysimeter
27%
wheat
27%
simulation
26%
tillage
26%
removal
22%
denitrification
21%
cropland management
20%
integrated management
20%
nitrogen
20%
fallow
19%
vegetation
18%
growing season
18%
emission factor
18%
crop yield
17%
food
16%
food security
16%
organic farming
16%
methane
16%
carbon cycle
15%
ecosystem
14%
inversion
14%
paddy field
14%
Mediterranean climate
14%
grassland ecosystem
14%
temperate climate
14%
net primary production
14%
atmospheric gas
14%
crop production
13%
water flux
13%
maize
13%
effect
13%
Agriculture & Biology
cropland
100%
soil organic carbon
80%
carbon sequestration
66%
Bangladesh
39%
greenhouse gases
38%
nitrous oxide
36%
nitrous oxide production
31%
rice
31%
climate
30%
lysimeters
28%
greenhouse gas emissions
24%
soil
24%
crop models
23%
carbon cycle
22%
crops
22%
methane
22%
probabilistic risk assessment
21%
nitrogen fertilizers
20%
climate change
19%
net primary productivity
19%
climate models
18%
uncertainty
18%
biogeochemistry
17%
animal manures
16%
ecosystems
16%
fallow
16%
paddies
14%
mineral fertilizers
14%
soil carbon
14%
emissions factor
14%
denitrification
14%
biodiversity conservation
14%
global change
14%
food security
13%
Mediterranean climate
13%
crop yield
13%
wheat
13%
temperate zones
12%
carbon sinks
12%
drying
12%
grasslands
11%
tillage
11%
fertilizers
10%
growing season
10%
drought
10%
Fagus
10%
carbon dioxide
10%
grain yield
10%
soil water
9%
forest growth
9%
