Research Article
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/m3) | HI (%) |
| 1 | Rain fed/no irrigation | 30.13 | 34.50ab | 21.00 | 1,640.00b | 5,201.4b | — | 31 | 2 | Full irrigation/100% ETc | 35.67 | 36.43ab | 23.00 | 2,419.20ab | 6,875.0ab | 3.70d | 35 | 3 | ¾ Irrigation/75% ETc | 36.07 | 38.37a | 22.27 | 3,038.60a | 7,430.6a | 5.34d | 41 | 4 | ½ Irrigation/50% ETc | 31.60 | 35.90ab | 20.87 | 2,130.90ab | 6,111.1ab | 6.36d | 34 | 5 | ¼ Irrigation/25% ETc | 32.80 | 31.73b | 18.93 | 2,398.10ab | 5,902.8ab | 11.19c | 41 | 6 | One irrigation at flowering stage | 33.53 | 34.77ab | 20.60 | 2,577.80ab | 6,076.4ab | 29.35a | 42 | 7 | One irrigation at fruit setting stage | 30.47 | 31.60b | 21.73 | 1,765.70b | 6,388.9ab | 15.29b | 27 | 8 | Two irrigation at flowering and fruit setting | 34.27 | 34.70ab | 21.00 | 2,558.10ab | 6,902.8ab | 5.78d | 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 | — |
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Means with the same letter are not significantly different at 5% significant level.
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