Earth and Planetary Sciences
Agricultural Soil
100%
Heavy Metal
100%
China
100%
Isotope Ratios
20%
Atmospheric Deposition
20%
Spatial Distribution
10%
Agricultural Product
10%
Fertilizer Application
10%
Periurban Area
10%
Source Apportionment
10%
Environmental Quality
10%
Industrial Emission
10%
Spatial Analysis
10%
Parent Material
10%
Keyphrases
Heavy Metal Source
100%
Positive Matrix Factorization Model
50%
Isotope Ratio Analysis
50%
Industrial Soil
25%
Soil Environmental Quality
25%
Relative Contribution Rate
25%
Heavy Metal Distribution
25%
Quantitative Identification
25%
Soil Parent Material
25%
Product Security
25%
Long-term Accumulation
25%
Agricultural and Biological Sciences
Agricultural Soil
100%
Heavy Metal
100%
Atmospheric Deposition
20%
Agricultural Product
10%
Environmental Quality
10%
Anthropogenic Activity
10%
Fertilizer Application
10%