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Subject
cadmium
[remove]
2
equations
2
lead
2
polluted soils
2
Brassica rapa subsp. chinensis
1
China
1
adsorption
1
alkali treatment
1
arsenic
1
biochar
1
carbonate minerals
1
case studies
1
cost effectiveness
1
crops
1
dairy manure
1
environmental quality
1
guidelines
1
heavy metals
1
hydrolysis
1
metal ions
1