Earth & Environmental Sciences
eggshell
74%
abandoned mine
68%
immobilization
55%
heavy metal
40%
fertilizer
23%
soil
23%
phosphatase
20%
cadmium
15%
potassium fertilizer
14%
leaching
14%
toxicity
13%
soil contamination
10%
extraction method
9%
agricultural soil
9%
contaminated soil
8%
rice
8%
human health
7%
contamination
6%
acid
5%
nitrogen
5%
cost
4%
effect
2%
method
2%
Medicine & Life Sciences
Brassica napus
90%
Egg Shell
85%
Heavy Metals
66%
Soil
59%
Fertilizers
38%
Cadmium
13%
Oryza
7%
Acid Phosphatase
7%
Korea
6%
Nitrogen
6%
Potassium
5%
Alkaline Phosphatase
5%
Costs and Cost Analysis
3%
Health
3%
Engineering & Materials Science
Abandoned mines
100%
Heavy metals
71%
Soils
43%
Fertilizers
23%
Phosphatases
20%
Cadmium
16%
Leaching
14%
Toxicity
14%
Potassium fertilizers
12%
Contamination
11%
Nitrogen fertilizers
11%
Acids
5%
Health
4%
Costs
2%
Chemical Compounds
Soil
46%
Heavy Metal
46%
Fertilizer
30%
Leaching
11%
Nitrogen Fertilizer
10%
pH Value
7%
Acid
2%
Application
1%