N2O and CH4 emission from Miscanthus energy crop fields in the infertile Loess Plateau of China

Table 1 ANOVA of N₂O-N and CH₄-C release rates

Effects	df	N₂O-N		CH₄-C
Effects	df	F	P	F	P
Moisture (M)	2	134.54	< 0.0001	12.19	< 0.0001
Temperature (Te)	3	2.21	0.0856	8.21	< 0.0001
Time (Ti)	6	63.81	< 0.0001	9.41	< 0.0001
Depth (D)	1	5.48	0.0194	0.05	0.8240
Site (S)	1	39.88	< 0.0001	34.91	< 0.0001
M × Te	6	3.96	0.0006	4.71	< 0.0001
M × Ti	12	14.73	< 0.0001	1.98	0.0230
M × D	2	11.12	< 0.0001	1.75	0.1740
M × S	2	2.90	0.0554	1.24	0.2890
Te × Ti	18	17.62	< 0.0001	8.66	< 0.0001
Te × D	3	0.33	0.8007	0.66	0.5770
Te × S	3	12.65	< 0.0001	13.37	< 0.0001
Ti × D	6	0.54	0.7761	0.78	0.5830
Ti × S	6	3.98	0.0006	4.40	< 0.0001
D × S	1	0.15	0.6970	0.05	0.8180
M × Te × Ti	36	5.08	< 0.0001	6.27	< 0.0001
M × Te × D	6	0.12	0.9944	1.06	0.3860
M × Te × S	6	3.39	0.0025	4.52	< 0.0001
M × Ti × D	12	0.94	0.5105	0.39	0.9680
M × Ti × S	12	1.74	0.0541	6.52	< 0.0001
M × D × S	2	0.71	0.4884	1.18	0.3070
Te × Ti × D	18	0.35	0.9947	1.06	0.3850
Te × Ti × S	18	3.10	< 0.0001	5.74	< 0.0001
Te × D × S	3	0.39	0.7618	1.34	0.2600
Ti × D × S	6	1.07	0.3810	0.21	0.9730
M × Te × Ti × D	36	0.56	0.9849	0.51	0.9930
M × Te × Ti × S	36	1.79	0.0030	2.97	< 0.0001
M × Te × D × S	6	0.59	0.7395	0.97	0.4420
M × Ti × D × S	12	0.64	0.8129	0.47	0.9320
Te × Ti × D × S	18	0.60	0.9049	0.3030	0.9980
M × Te × Ti × D × S	36	0.59	0.9755	0.3990	0.9990
Error	1680

ISSN: 2731-3654