Table 5.

Total N ₂ O emissions from two sugarcane soils (sandy loam and clay) from Broadwater (NSW) after periods of 30 and 60 days incubation at three WFPS levels following addition of OAs

	Cumulative N 2O emission (kg N 2O-N ha -1)
	Sandy loam soil			Clay soil
	WFPS			WFPS
Treatment	60%	75%	90%	60%	75%	90%
			Day 30
UN	0.04 ± 0.01	0.02 ± 0.002	1.40 ± 0.08	0.06 ± 0.01	0.04 ± 0.01	0.16 ± 0.02
MM	0.02 ± 0.001	0.02 ± 0.003	0.05 ± 0.003	0.03 ± 0.01	0.02 ± 0.002	0.04 ± 0.01
RB	0.02 ± 0.001	0.02 ± 0.003	0.04 ± 0.01	0.03 ± 0.01	0.05 ± 0.02	0.04 ± 0.01
MB	0.02 ± 0.001	0.02 ± 0.003	0.02 ± 0.001	0.04 ± 0.01	0.03 ± 0.002	0.03 ± 0.01
CM	0.02 ± 0.001	0.03 ± 0.01	1.48 ± 0.15	0.03 ± 0.004	0.04 ± 0.01	0.07 ± 0.03
HC	0.65 ± 0.11	0.73 ± 0.09	2.73 ± 0.38	0.16 ± 0.02	0.38 ± 0.13	0.72 ± 0.19
			Day 60
UN	1.07 ± 0.07	1.49 ± 0.26	3.73 ± 0.24	0.97 ± 0.07	0.89 ± 0.06	1.93 ± 0.27
MM	1.97 ± 0.21	3.20 ± 0.33	3.65 ± 0.15	1.11 ± 0.13	1.26 ± 0.15	1.63 ± 0.14
RB	0.61 ± 0.03	0.81 ± 0.07	1.14 ± 0.17	0.51 ± 0.03	0.60 ± 0.05	0.81 ± 0.14
MB	1.17 ± 0.16	2.09 ± 0.25	2.25 ± 0.24	0.72 ± 0.03	1.12 ± 0.13	1.51 ± 0.14
CM	1.08 ± 0.04	1.49 ± 0.17	4.06 ± 0.45	0.86 ± 0.08	1.20 ± 0.05	1.42 ± 0.06
HC	1.99 ± 0.12	2.32 ± 0.44	8.29 ± 0.85	1.27 ± 0.15	2.46 ± 0.39	4.25 ± 0.52

Urea (200 kg N ha^-1) was added on Day 30. Values present the mean with SE (n = 5).