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机译:
Shanxi Agr Univ;
Shanxi Key Lab Grassland Ecol Protect & Nat Grass;
Chinese Acad SciChinese Acad Sci;
carbon storage; nitrogen enrichment; nitrogen storage; typical grassland; NITROGEN ADDITION; ECOSYSTEM STABILITY; BIOMASS ALLOCATION; RESPONSES; SOIL; CARBON; STOICHIOMETRY; LIMITATION; ENRICHMENT; DEPOSITION;