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机译:Enhanced foliar 15N enrichment with increasing nitrogen addition rates: Role of plant species and nitrogen compounds
Institute of Botany, The Chinese Academy of Sciences;
South China Botanical Garden, Chinese Academy of Sciences;
Hebei UniversityUniversity of CopenhagenInner Mongolia Agricultural UniversityShanxi Agriculture UniversityInstitute of Applied Ecology, Chinese Academy of Sciences;
arbuscular mycorrhiza; foliar N concentration; inorganic N; N compounds; N deposition; N fixation; δ15N;