Table 3. Regression models between soil CH₄ and N₂O fluxes and soil properties.

Flux	Soil variablesa	Regression equation	R2	P value
CH4	Ts	y = 0.028 TS 2−0.90 TS+2.02	0.094	0.044
	MS	y = 0.15 MS−8.84	0.123	0.006
	NO3 −	y = −1.28 NO3 − −1.77	0.21	0.004
	Combined	y = 0.17 MS−10.66	0.21	0.003
N2O	T5	y = 4.67 TS−40.11	0.25	<0.0001
	MS	y = 1.99 MS−29.76	0.10	0.001
	NO3 −	y = 12.29 NO3 −+10.58	0.22	0.005
	NH4 +	y = 81.52 ln (NH4 +)−85.34	0.37	<0.0001
	TDN	y = 9.26 TDN−93.50	0.17	0.008
	Combined	y = 0.01 NH4 ++0.013 NO3 −−0.041	0.50	<0.0001

^a: T_S is soil temperature at 5 cm depth, M_S is soil moisture at 10 cm depth, NH₄ ⁺, NO₃ ⁻, and TDN are the concentrations of soil NH₄ ⁺, NO₃ ⁻, and TDN at 20 cm depth.