Table 2.

Expt 2: Friedman's test statistics controlling for block comparing the post‐nitrogen (N) minus pre‐N (61 d post‐patch addition) patch nitrous oxide (N₂O) concentrations (∆N₂O concentrations) or compartment N₂O fluxes (∆N₂O fluxes) among N‐addition treatments, for each of the gas sampling events

	Time since N addition
	48 h			96 h			192 h
	Q	d.f.	P	Q	d.f.	P	Q	d.f.	P
Patch ∆N2O concentration	28.89	7	0.0002 ***	14.35	7	0.045 *	3.79	7	0.804
Compartment ∆N2O flux	44.85	7	< 0.0001 ***	25.63	7	0.0006 ***	4.80	7	0.684

Q, Friedman's test statistic; d.f., degrees of freedom; n = 10. Significant results are indicated in bold at P = 0.05 (*, P < 0.05; ***, P < 0.001).