Agriculture & Biology
desert soils
100%
Sonoran Desert
94%
organic nitrogen
82%
urbanization
77%
organic carbon
73%
agriculture
50%
land use
41%
residential areas
34%
soil
34%
deserts
24%
soil management
19%
urban soils
13%
history
12%
microrelief
12%
soil air
11%
land management
10%
air quality
10%
carbon sinks
10%
organic soils
9%
provenance
8%
soil properties
8%
water quality
8%
agricultural land
8%
grasslands
7%
soil water
7%
vegetation
6%
nutrients
5%
nitrogen
4%
water
3%
Earth & Environmental Sciences
desert soil
93%
organic nitrogen
75%
urbanization
55%
organic carbon
52%
agriculture
48%
land use
32%
soil
28%
land
26%
desert
24%
soil management
22%
microtopography
12%
soil air
11%
residential development
11%
metropolis
11%
history
10%
organic soil
10%
land management
9%
soil layer
9%
provenance
9%
soil property
8%
artifact
8%
air quality
8%
incubation
8%
grassland
7%
soil water
7%
agricultural land
7%
water quality
6%
nutrient
6%
decision
6%
vegetation
5%
nitrogen
5%
carbon
5%
effect
4%
water
2%