Fig. 6. Changes in gross nitrification rates (± standard error [SE]) and N₂O-emission rates (±SE) on simulated precipitation [0–17 mm] and increased water-filled pore space (WFPS) (%) for intact soil cores (N = 3) taken from the different field sites. Precipitation was applied in 3-, 4-, 5-, and 6-mm steps. Values for gross nitrification rates and N₂O emissions marked with the same letter are not significantly different (P > 0.10). ND represents not detected.

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