Table 4 Mid-rib brown stain ratio of spring kimchi cabbage during cold storage

Treatment		Storage period (day)
		0	60	75	90
		Partial stack	Non covered	0	0	0	0
Covered with 40 holes	0		0	0	13
Covered with 56 holes	0		0	0	0
Total stack	Non covered	0	0	40	80
	Covered with 40 holes	0	7	47	87
	Covered with 56 holes	0	20	53	100