Research Article
Using Eight Crops to Show the Correlation between Paucity Irrigation and Yield Reduction of Al-Hussainiyah Irrigation Project in Karbala, Iraq
Table 3
Values of the crop coefficient, Kc, for crops of Al-Hussainiyah irrigation project [
34].
| | ID | Crops | January | February | March | April | May | June | July | August | September | October | November | December |
| | 1 | Maize | 0.00 | 0.00 | 0.58 | 0.82 | 1.08 | 0.80 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | 0.00 | | 2 | Cotton | 0.00 | 0.00 | 0.00 | 0.54 | 0.64 | 0.80 | 0.98 | 0.82 | 0.49 | 0.00 | 0.00 | 0.00 | | 3 | Sunflower | 0.00 | 0.00 | 0.58 | 0.68 | 0.84 | 1.02 | 0.49 | — | — | — | — | — | | 4 | Sesame | 0.00 | 0.00 | 0.00 | 0.00 | 0.52 | 0.70 | 0.94 | 0.75 | 0.40 | 0.00 | 0.00 | 0.00 | | 5 | Small grain | 0.00 | 0.00 | 0.00 | 0.55 | 0.67 | 0.90 | 1.00 | 0.60 | 0.00 | 0.00 | 0.00 | 0.00 | | 6 | Summer vegetables | 0.00 | 0.00 | 0.58 | 0.67 | 0.79 | 0.93 | 0.95 | 0.76 | 0.46 | 0.00 | 0.00 | 0.00 | | 7 | Orchards palms | 1.00 | 1.05 | 1.05 | 1.00 | 0.95 | 0.95 | 0.85 | 0.85 | 0.80 | 0.80 | 0.85 | 0.95 | | 8 | Alfalfa | 1.10 | 0.98 | 0.94 | 0.92 | 0.90 | 0.89 | 0.89 | 0.89 | 0.89 | 0.89 | 0.94 | 1.14 |
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