Earth & Environmental Sciences
nitrous oxide
100%
greenhouse gas emissions
71%
soil
69%
tillage
59%
grassland
55%
denitrification
54%
greenhouse gas
40%
organic carbon
39%
fertilizer
38%
decomposition
36%
cover crop
35%
crop
33%
agriculture
31%
soil quality
30%
emission factor
30%
biomass
27%
land use change
27%
fallow
26%
climate change
26%
climate
26%
nitrogen
25%
Europe
23%
land use
23%
barley
22%
pasture
20%
modeling
18%
rice
17%
indicator
16%
liming
16%
climate zone
16%
evaluation
16%
productivity
16%
peatland
15%
afforestation
15%
carbon storage
14%
biochar
14%
effect
14%
soil carbon
13%
simulation
13%
carbon sequestration
12%
ecosystem
12%
methane
12%
management practice
12%
cropland management
11%
meta-analysis
11%
soil moisture
11%
agrometeorology
10%
fertilizer application
10%
growing season
10%
cereal
10%
Agriculture & Biology
nitrous oxide
64%
nitrous oxide production
48%
grasslands
42%
permanent grasslands
35%
greenhouse gas emissions
35%
soil
31%
soil organic carbon
30%
denitrification
28%
climate
26%
emissions factor
24%
climate change
24%
greenhouse gases
24%
methane
24%
tillage
20%
arable soils
20%
cropland
19%
meta-analysis
18%
reduced tillage
18%
grassland soils
17%
fallow
17%
cover crops
14%
soil quality
14%
carbon sequestration
12%
degradation
12%
nitrogen fertilizers
11%
farms
11%
grain yield
10%
growing season
10%
uncertainty
10%
cropping systems
10%
grazing intensity
10%
carbon sinks
10%
ecosystems
10%
grazing management
9%
soil respiration
9%
soil pH
9%
soil carbon
9%
carbon dioxide
9%
China
8%
crop yield
8%
conservation tillage
8%
peatlands
8%
irrigation
8%
ecosystem services
8%
organic carbon
8%
liming
8%
land use change
8%
biochar
8%
artificial intelligence
8%
dairy farming
7%