Earth & Environmental Sciences
soil
91%
organic carbon
89%
carbon sequestration
83%
crop
81%
soil carbon
66%
greenhouse gas emissions
57%
greenhouse gas
50%
climate
49%
mitigation
47%
rice
44%
modeling
43%
grassland
42%
fertilizer
42%
land use change
37%
land use
33%
manure
33%
lysimeter
31%
wheat
31%
simulation
30%
nitrous oxide
30%
tillage
30%
European Union
25%
cropland management
24%
integrated management
23%
carbon stock
23%
crop yield
20%
nitrogen
20%
vegetation
20%
food
19%
food security
19%
emission factor
19%
removal
19%
methane
18%
paddy field
17%
Mediterranean climate
17%
grassland ecosystem
17%
carbon cycle
16%
temperate climate
16%
net primary production
16%
atmospheric gas
16%
crop production
16%
ecosystem
15%
water flux
15%
maize
15%
biogeochemistry
15%
productivity
14%
effect
14%
biochar
14%
drying
14%
soil water
14%
Agriculture & Biology
cropland
100%
soil organic carbon
93%
carbon sequestration
68%
Bangladesh
45%
greenhouse gases
38%
rice
36%
climate
34%
lysimeters
33%
greenhouse gas emissions
28%
crop models
27%
soil
26%
crops
25%
methane
25%
probabilistic risk assessment
24%
carbon cycle
23%
net primary productivity
22%
nitrogen fertilizers
22%
climate change
21%
climate models
21%
biogeochemistry
20%
animal manures
19%
ecosystems
19%
nitrous oxide production
18%
uncertainty
17%
paddies
16%
mineral fertilizers
16%
soil carbon
16%
denitrification
16%
biodiversity conservation
16%
global change
16%
food security
15%
Mediterranean climate
15%
crop yield
15%
wheat
15%
temperate zones
15%
drying
14%
emissions factor
14%
grasslands
13%
nitrous oxide
13%
tillage
13%
fertilizers
12%
carbon dioxide
12%
grain yield
11%
soil water
11%
biodiversity
11%
drought
10%
carbon sinks
10%
vegetation
10%
China
8%
Germany
8%
