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Facet browsing: 主题词
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agricultural soil science(3)
fertilizers(3)
land use(3)
carbon sequestration(2)
forests(2)
maize(2)
5-bisphosphate carboxylase oxygenase(1)
adsorption(1)
biomass (ecology)(1)
carbon dioxide(1)
carbon storage(1)
cation exchange capacity(1)
cereal crops(1)
chemical equilibrium(1)
china(1)
chlorophyll(1)
cropland expansion(1)
diatoms(1)
ecosystems(1)
erosion(1)
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