Earth & Environmental Sciences
residence time
75%
carbon
48%
soil
36%
organic soil
18%
monsoon
14%
Asia
14%
subtropical region
10%
net primary production
10%
tropical region
9%
straw
8%
carbon sequestration
7%
turnover
7%
management practice
7%
soil property
7%
rice
7%
global warming
7%
environmental factor
7%
warming
6%
organic matter
5%
atmosphere
5%
climate
4%
need
4%
removal
4%
temperature
3%
parameter
2%
rate
2%
method
1%
Business & Economics
Soil
100%
Carbon
93%
Turnover
9%
Positive Feedback
9%
Global Warming
8%
Co2
8%
Environmental Factors
7%
Temperature
7%
Atmosphere
7%
Climate
6%
Management Practices
6%
China
3%
Factors
2%
Engineering & Materials Science
Soils
67%
Carbon
65%
Biological materials
10%
Straw
9%
Global warming
8%
Fluxes
6%
Feedback
4%
Temperature
3%