Treatment | Total irrigation time (hour) | Inflow rate of irrigation water/outlet (L/s) | Injection Time (hour) | Total inflow rate of the dissolved urea/20 outlets (L/s) |
Continuous injection of the dissolved urea | 6 | 2.6 | 6 | 7.4 |
Injection of the urea during the first half of irrigation time | 6 | 2.6 | 3 | 14.8 |
Injection of the urea during the second half of irrigation time. | 6 | 2.6 | 3 | 14.8 |
Mechanical application of urea | 6 | 2.6 | 6 | - |
Mean | 6 | 2.6 | 4.5 | - |