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

Table 5

Effect of N and intrarow spacing on fresh weight/plant, dry weight/plant, and yield of lettuce.

Factors	Treatment	Fresh weight (g)	Dry weight (g)	Yield (ton/ha)
Nitrogen	0 kg/ha (N0)	37.07^a	7.05^a	6.14^a
	50 kg/ha (N1)	41.88^a	9.86^ab	7.17^b
	100 kg/ha (N2)	50.82^b	12.96^b	8.05^c
	150 kg/ha (N3)	57.57^c	28.75^c	9.45^d
	LSD (0.05)	4.877	4.675	0.318
Spacing	15 × 30 cm (S1)	35.97^a	9.27^a	7.54^a
	20 × 30 cm (S2)	45.39^b	13.38^b	7.57^a
	25 × 30 cm (S3)	59.15^c	21.31^c	8.01^b
	LSD (0.05)	4.224	4.049	0.275
Nitrogen  spacing	N0S1	26.84^a	4.36^a	5.96^a
	N0S2	36.60^ab	7.54^ab	6.10^a
	N0S3	47.78^ef	9.25^ab	6.37^a
	N1S1	31.95^ab	9.38^ab	7.10^b
	N1S2	42.70^cde	9.87^ab	7.12^b
	N1S3	50.98^ef	10.32^ab	7.28^bc
	N2S1	46.14^de	10.77^ab	8.43^ef
	N2S2	46.36^de	13.40^b	7.73^bc
	N2S3	59.98^g	14.72^bc	8.00^de
	N3S1	38.94^bcd	12.57^b	8.65^f
	N3S2	55.90^fg	22.71^c	9.32^g
	N3S3	77.88^h	50.96^d	10.38^h
	LSD (0.05)	8.448	8.097	0.550

Means followed by the same letter within a column are not significantly different from each other at 5% level of significance.