Response of Carrot (Daucus carota L.) to Supplementary Irrigation under Rain-Fed Agriculture at Jimma and Gera, Jimma Zone, South West Ethiopia

Table 8

Effects of supplementary irrigation on the yield and yield components of carrot at Gera.

No.	Treatment	Plant height (cm)	Root shoulder diameter (mm)	Root length (cm)	Fresh biomass (kg/ha)	Fresh root weight (kg/ha)	Water productivity (kg/m^3)	HI (%)
1	Rain fed/no irrigation	30.13	34.493^ab	21.00	1,277.8^b	3,883.3^c	—	33
2	Full irrigation/100% ETc	35.67	36.460^ab	23.00	1,888.9^ab	4,611.1^bc	2.40^e	41
3	¾ Irrigation/75% ETc	36.07	35.197^ab	22.27	2,388.9^a	6,388.9^a	4.41^d	37
4	½ Irrigation/50% ETc	31.60	35.900^ab	20.87	1,666.7^ab	5,111.1^b	5.29^d	33
5	¼ Irrigation/25% ETc	32.80	31.743^ab	18.93	1,888.9^ab	5,444.4^ab	11.28^c	35
6	One irrigation at flowering stage	33.53	34.770^ab	20.60	2,027.8^ab	4,861.1^bc	32.22^a	42
7	One irrigation at fruit setting stage	30.47	31.610^ab	21.73	1,388.9^ab	4,888.9^bc	19.45^b	28
8	Two irrigation at flowering and fruit setting	34.27	37.860^a	21.00	2,000.0^ab	5,522.2^ab	13.72^c	36
—	LSD	Ns	6.16	Ns	899.95	1,066.30	3.77	—
—	CV	8.53	10.12	7.37	28.29	11.96	19.42	—

Means with the same letter are not significantly different at 5% significant level.