Table 3. Comparison of ammonia emissions between control and treatment during composting period

Item	Composting time (d)				SEM	p-value
	1	3	5	7		Linear	Quadratic
Control	196.6a	199.4a	177.6ab	66.4ab	33.4	0.011	0.101
Peat moss	204.0a	100.1ab	63.9ab	38.8b	32.1	0.002	0.250

Means in the same row with different superscripts differ significantly p < 0.05.