Fig. 4

Effect of experimental P addition on above- ((a) MS, (b) TS, (c) DS) and below-ground biomass ((d) MS, (e) TS, (f) DS) of three temperate steppes from 2017 to 2018
Effect of experimental P addition on above- ((a) MS, (b) TS, (c) DS) and below-ground biomass ((d) MS, (e) TS, (f) DS) of three temperate steppes from 2017 to 2018