Research Article
Estimation of Current Water Use over the Complex Topography of the Nile Basin Headwaters: The Case of Ghba Subbasin, Ethiopia
Table 3
Crop coefficient and length of the growing period used for CWR computation.
| Crop | Kc | LGP, in days | Initial | Dev. | Mid | Late | Initial | Dev. | Mid | Late | Total |
| Cabbage | 0.5 | 0.75 | 1 | 0.95 | 20 | 30 | 35 | 25 | 110 | Onion | 0.5 | 0.75 | 1.05 | 0.85 | 20 | 35 | 40 | 25 | 120 | Pepper | 0.35 | 0.7 | 1.05 | 0.9 | 25 | 35 | 40 | 20 | 120 | Tomato | 0.45 | 0.75 | 1.15 | 0.9 | 20 | 30 | 40 | 20 | 110 | Carrot | 0.7 | 0.85 | 1.05 | 0.95 | 15 | 30 | 30 | 15 | 90 | Kale | 0.7 | 0.7 | 1 | 0.95 | 30 | 60 | 60 | 30 | 180 | Papaya | 0.9 | 1 | 1.1 | 0.9 | 60 | 80 | 90 | 60 | 290 | Potato | 0.45 | 0.75 | 1.15 | 0.9 | 25 | 30 | 45 | 30 | 130 | Sugarcane | 0.45 | 0.85 | 1.15 | 0.75 | 30 | 60 | 180 | 95 | 365 | Beet root | 0.45 | 0.8 | 1.12 | 0.95 | 15 | 25 | 30 | 20 | 90 |
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Source: FAO irrigation and drainage P 56; MOA, 2018 SSIGL irrigation agronomy guideline,.
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