Efficiency of the Integrated Nitrogen Removal Device to Remove Ammonia in a Hog House

Table 1

Daily change of temperature and humidity in the hog house.

Season	Parameters	7:00	9:00	11:00	13:00	15:00	17:00	22:00	Standard error
Spring	Temperature (°C)	17.8^A	18.2^A	18.6^A	19.3^A	19.1^A	18.5^B	18.0	0.33
	Humidity (%)	63.5^B	63.4^A	62.4^A	61.7^A	62.5^B	63.1^A	63.2	0.25