Earth & Environmental Sciences
soil
100%
Africa
48%
paleosol
47%
trace element
37%
geochemistry
32%
micromorphology
28%
pedogenesis
27%
X-ray fluorescence
27%
arid environment
26%
heavy metal
22%
pedon
22%
soil quality
22%
self organizing map
21%
plain
21%
soil property
19%
arsenic
19%
agricultural soil
18%
zinc
18%
fixation
18%
clay
16%
simulation
16%
autochthony
16%
parent material
15%
land use regime
15%
copper
15%
index
15%
human health
14%
floodplain
14%
catena
14%
soil organic matter
14%
contamination
14%
Neogene
14%
health risk
13%
mineralogy
13%
paleoclimate
13%
fluorescence spectroscopy
13%
climate
12%
weathering
12%
pedotransfer function
12%
termite
12%
strontium
11%
aggregate size
11%
tropical soil
11%
kinetics
11%
soil aggregate
11%
kriging
11%
mapping method
11%
distribution
11%
index method
10%
indicator
10%
Agriculture & Biology
soil
44%
semiarid soils
41%
paleosolic soil types
34%
Botswana
34%
soil surveys
28%
alkaline soils
26%
soil formation
24%
dietary minerals
19%
soil properties
17%
mineralogy
17%
organomineral complexes
17%
X-ray fluorescence spectroscopy
16%
geochemistry
16%
pedotransfer functions
16%
South Africa
16%
soil organic matter
16%
copper
15%
kriging
15%
clay
14%
High Plains (United States)
13%
termite mounds
13%
structural equation modeling
12%
alluvial soils
12%
natural resource management
12%
tropical soils
12%
iron oxides
12%
kinetics
12%
systematic review
12%
soil aggregates
11%
soil quality
11%
sieving
11%
trace elements
11%
Ghana
10%
forest soils
10%
agricultural soils
10%
zinc
10%
soil organic carbon
10%
fossil soils
10%
organic carbon
10%
arsenic
9%
dry environmental conditions
9%
soil map
9%
tropical forests
9%
arid zones
9%
arid lands
9%
soil management
9%
bulk density
9%
land use
8%
microstructure
8%
tropics
8%
