Interactive impacts of nitrogen input and water amendment on growing season fluxes of CO2, CH4, and N2O in a semiarid grassland, Northern China

Fig. 5 Summarized impacts of N addition and water amendment on CO2 flux, CH4, and N2O fluxes over the study period (solid lines indicate significance at P < 0.05 level, dash lines indicate insignificance at P < 0.05 level).72