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globalchange

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climate change(3)
fertilizers(2)
aerosol(1)
agricultural soil science(1)
agricultural systems(1)
ammonia(1)
carbon dioxide(1)
carbon sequestration(1)
cereal crops(1)
china(1)
ecosystem modeling(1)
ecosystems(1)
emission factors(1)
erosion(1)
forests(1)
global nitrogen cycle(1)
greenhouse gas emission(1)
land use(1)
latitude(1)
leaves(1)
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