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Table 1 Results (F -value) of linear mixed-effects models on the effects of block (B), nitrogen addition (N), mowing (M) and their interactions on soil pH, soil inorganic nitrogen concentration (soil IN), community aboveground biomass (AGB), species richness, asynchrony, biomass resistance (B rst), biomass recovery (B rc), structural resistance (S rst), structural recovery (S rc) of plant communities, B rst and B rc of L. chinensis ,S rst and S rc of dominant species experienced drought in three consecutive growing seasons. ***p < 0.001, **p < 0.01, *p < 0.05, ^ p< 0.1, ns p > 0.1.