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

-