Agriculture & Biology
land use planning
91%
cropland
44%
India
42%
China
39%
leaf area
31%
climate change
30%
remote sensing
28%
multiple cropping
18%
land degradation
17%
air pollution
14%
groundwater
13%
food production
12%
land use
11%
engineering
10%
irrigation
9%
fertilizers
9%
vegetation
9%
nitrogen
7%
Earth & Environmental Sciences
leaf area
74%
land use
40%
climate change
35%
satellite data
35%
world
34%
land degradation
23%
food production
21%
cropping practice
20%
fertilizer
17%
atmospheric pollution
15%
irrigation
15%
disturbance
14%
engineering
12%
groundwater
12%
vegetation
12%
nitrogen
12%
need
10%
program
10%
effect
4%
Engineering & Materials Science
Land use
73%
Climate change
66%
Earth (planet)
34%
Satellites
31%
Fertilizers
25%
Irrigation
24%
Groundwater
24%
Air pollution
23%
Human engineering
20%
Nitrogen
18%
Degradation
14%
Recovery
13%
Social Sciences
Land use management
100%
India
42%
China
36%
climate change
31%
driver
20%
Land degradation
18%
irrigation
14%
system model
14%
air pollution
13%
land use
12%
food
8%
engineering
7%
Medicine & Life Sciences
India
53%
Climate Change
50%
China
49%
Forests
43%
Fertilization
26%
Fertilizers
19%
Groundwater
17%
Air Pollution
14%
Nitrogen
12%
Food
8%