Research Article
Using Eight Crops to Show the Correlation between Paucity Irrigation and Yield Reduction of Al-Hussainiyah Irrigation Project in Karbala, Iraq
Table 8
Estimated yield reduction % with total gross irrigation (mm) in medium soil.
| ID | Crop | S0 | S1 | S2 | S3 | S4 | S5 | Yield reduction (%) | Total gross (mm) | Yield reduction (%) | Total gross (mm) | Yield reduction (%) | Total gross (mm) | Yield reduction (%) | Total gross (mm) | Yield reduction (%) | Total gross (mm) | Yield reduction (%) | Total gross (mm) |
| 1 | Maize | 0.0 | 1066.8 | 6.5 | 1048.4 | 9.7 | 724.3 | 15.2 | 765.5 | 22.1 | 806.4 | 31.4 | 844.9 | 2 | Cotton | 0.0 | 1738.9 | 4.3 | 1555.0 | 6.0 | 1071.5 | 10.2 | 1128.0 | 14.9 | 1170.6 | 19.8 | 1203.9 | 3 | Sunflower | 0.0 | 1152.7 | 4.5 | 1229.8 | 6.6 | 870.2 | 11.7 | 940.4 | 17.0 | 996.5 | 23.8 | 513.7 | 4 | Sesame | 0.0 | 1286.8 | 5.4 | 1311.3 | 8.5 | 1042.3 | 14.2 | 1113.3 | 20.5 | 1165.4 | 21.0 | 800.8 | 5 | Small grain | 0.0 | 1371.8 | 5.0 | 1280.5 | 10.1 | 901.6 | 11.6 | 946.0 | 17.2 | 984.4 | 23.2 | 1012.8 | 6 | Summer vegetables | 0.0 | 1934.6 | 6.0 | 1861.9 | 10.7 | 1724.9 | 15.3 | 1483.1 | 20.0 | 1377.7 | 25.6 | 1241.9 | 7 | Alfalfa | 0.0 | 2658.4 | 5.0 | 2384.4 | 10.9 | 2556.6 | 14.0 | 1977.7 | 20.3 | 2085.1 | 27.6 | 2175.3 | 8 | Palms | 0.0 | 2521.9 | 4.1 | 1959.9 | 7.2 | 2128.1 | 11.8 | 2251.6 | 13.7 | 1573.6 | 16.5 | 1628.8 |
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