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

Table 7

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

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	34.50^ab	21.00	1,640.00^b	5,201.4^b	—	31
2	Full irrigation/100% ETc	35.67	36.43^ab	23.00	2,419.20^ab	6,875.0^ab	3.70^d	35
3	¾ Irrigation/75% ETc	36.07	38.37^a	22.27	3,038.60^a	7,430.6^a	5.34^d	41
4	½ Irrigation/50% ETc	31.60	35.90^ab	20.87	2,130.90^ab	6,111.1^ab	6.36^d	34
5	¼ Irrigation/25% ETc	32.80	31.73^b	18.93	2,398.10^ab	5,902.8^ab	11.19^c	41
6	One irrigation at flowering stage	33.53	34.77^ab	20.60	2,577.80^ab	6,076.4^ab	29.35^a	42
7	One irrigation at fruit setting stage	30.47	31.60^b	21.73	1,765.70^b	6,388.9^ab	15.29^b	27
8	Two irrigation at flowering and fruit setting	34.27	34.70^ab	21.00	2,558.10^ab	6,902.8^ab	5.78^d	37
—	LSD	Ns	5.98	Ns	1,125.70	1,849.60	3.46	—
—	CV	8.54	9.83	7.37	17.19	16.60	20.55	—

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