The data for the article entitled "Nitrogen deposition drives response and recovery to precipitation change and its reversal in an arid ecosystem""
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<strong>Title:</strong> Nitrogen deposition drives response and recovery to precipitation change and its reversal in an arid ecosystem Yu et al. <strong>Abbreviations:</strong> Yr, Years DEP, Soil depths NIT , Nitrogen (N) treatment PRE, Precipitation treatment BLO, Blocks ANPP, Aboveground net primary production <em>S,</em> Richness, Plant species richness <em>H'</em>, Shannon-Wiener index <em>J'</em>, Plant species evenness fBNPP soil ammonium nitrogen BNPP Belowground net primary production SIC, Soil inorganic carbon SOC, Soil organic carbon TC, Soil total carbon PH, pH values MBC, Soil microbial biomass carbon MBN, Soil microbial biomass nitrogen Precipitation treatments had five levels: in 2018, 1. 50% addition (+50%); 2. 25% addition (+25%); 3. ambient precipitation (CK); 4. 25% reduction (-25%); 5. 50% reduction (-50%) in 2018. In 2019, the precipitation treatments were reversed: 1. 50% reduction (-50%); 2. 25% reduction (-25%); 3. ambient precipitation (CK); 4. 25% addition (+25%); 50% addition (+50%). Nitrogen treatments had two levels: 1. N elevated by 10 g m<sup>-2 </sup>yr<sup>-1</sup>; 2. ambient N (no N addition). Soil depths had two levels: 1. 0–10 cm soil layer; 2. 10–20 cm soil layers. Document 1: Data on plant community traits. Document 2: Data on soil features.



