Agriculture & Biology
liming materials
74%
bioavailability
59%
heavy metals
54%
metalloids
34%
soil
31%
egg shell
26%
total nitrogen
24%
shell (molluscs)
24%
soil organic matter
23%
oyster shells
18%
exchangeable cations
17%
soil biological properties
16%
calcite
16%
enzyme activity
16%
arylsulfatase
15%
glucosidases
15%
agricultural soils
13%
polluted soils
12%
electrical conductivity
12%
soil pH
12%
soil quality
11%
acids
6%
Earth & Environmental Sciences
liming
76%
bioavailability
58%
heavy metal
44%
eggshell
27%
soil
26%
metalloid
25%
material
24%
shell
23%
enzyme activity
21%
incubation
17%
organic matter
13%
nitrogen
12%
phosphatase
11%
soil quality
10%
agricultural soil
10%
immobilization
10%
electrical conductivity
9%
lime
9%
cation
8%
calcite
8%
acid
6%
cost
5%
experiment
4%
Engineering & Materials Science
Biological Availability
100%
Heavy metals
79%
Soils
48%
Metalloids
32%
Enzyme activity
28%
Biological materials
23%
Nitrogen
16%
Glucosidases
16%
Soil quality
15%
Phosphatases
14%
Oxidoreductases
13%
Calcite
12%
Positive ions
10%
Lime
9%
Electric Conductivity
9%
Acids
7%
Costs
3%
Experiments
3%
Chemical Compounds
Bioavailability
60%
Soil
52%
Heavy Metal
51%
Metalloid
20%
Organic Matter
16%
Enzyme Activity
12%
Triamine
10%
Nitrogen
9%
Calcite
8%
pH Value
6%
Electrical Conductivity
5%
Application
4%
Mixture
3%
Acid
2%