Effect of Different Rates of N and Intrarow Spacing on Growth Performance of Lettuce (Lactuca sativa L.) in Gurage Zone, Wolkite University, Ethiopia

Table 4

Main effect of nitrogen on root length.

Factor	Treatment	Root length (cm)
N (kg/ha)	0	9.89^a
	50	11.9^a
	100	11.97^b
	150	12.57^b
LSD (5%)		1.414
CV (%)		12.48

means followed by the same letter within a column are not significantly different from each other.