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REE
1
VDP::Mathematics and natural science: 400::Chemistry: 440::Environmental chemistry
1
barium
1
biotite
1
biotitt
1
earth elements
1
fertilizer
gjødsel
1
jordartsgrunnstoff
1
jordforbedringsmiddel
1
natural environmental chemistry: 446
1
naturlig vegetasjon
1
plant uptake
1
planteopptak
1
rock powder
soil amendments
steinmel
1
strontium
1
vegetation
1
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