Table 5 Irrigation water classes (According to US Lab. Staff classification 1954)
Well no | Ec (μ moh) | SAR | Class | Well no | Ec (μ moh) | SAR | Class |
|---|---|---|---|---|---|---|---|
1 | 1130 | 5.15 | C3-S1 | 26 | 4380 | 4.75 | C4-S2 |
2 | 2910 | 11.15 | C4-S3 | 27 | 4690 | 10.52 | C4-S3 |
3 | 2500 | 6.57 | C4-S2 | 28 | 1990 | 7.05 | C3-S2 |
4 | 2220 | 7.83 | C3-S2 | 29 | 1810 | 11.41 | C3-S3 |
5 | 2200 | 9.11 | C3-S2 | 30 | 2060 | 5.16 | C3-S2 |
6 | 2030 | 4.29 | C3-S1 | 31 | 2110 | 6.11 | C3-S2 |
7 | 4040 | 8.25 | C4-S3 | 32 | 3580 | 7.33 | C4-S2 |
8 | 1540 | 12.43 | C3-S3 | 32′ | 1600 | 5.18 | C3-S2 |
9 | 2130 | 5.29 | C3-S2 | 33 | 1270 | 3.19 | C3-S1 |
10 | 2060 | 11.65 | C3-S3 | 34 | 2710 | 7.27 | C4-S2 |
11 | 1630 | 6.84 | C3-S2 | 35 | 2260 | 10.99 | C3-S3 |
12 | 1780 | 8.07 | C3-S2 | 36 | 2060 | 9.49 | C3-S3 |
12′ | 2770 | 13.18 | C4-S3 | 37 | 2390 | 7.57 | C4-S2 |
13 | 2320 | 9.78 | C3-S3 | 38 | 1940 | 9.24 | C3-S2 |
14 | 1570 | 7.09 | C3-S2 | 39 | 4240 | 13.01 | C4-S4 |
15 | 950 | 4.90 | C3-S1 | 40 | 3490 | 15.40 | C4-S4 |
16 | 2470 | 7.11 | C4-S2 | 41 | 2990 | 25.17 | C4-S4 |
17 | 2080 | 5.80 | C3-S2 | 42 | 2630 | 15.71 | C4-S4 |
18 | 1530 | 6.95 | C3-S2 | 43 | 2030 | 15.27 | C3-S4 |
19 | 4050 | 7.79 | C4-S3 | 44 | 2300 | 5.15 | C3-S2 |
20 | 3530 | 8.90 | C4-S3 | 45 | 4390 | 10.59 | C4-S3 |
21 | 4310 | 6.67 | C4-S2 | 46 | 4600 | 11.40 | C4-S3 |
22 | 6220 | 9.20 | C4-S3 | 47 | 5090 | 12.48 | C4-S4 |
23 | 2350 | 5.60 | C4-S2 | 48 | 1770 | 16.59 | C3-S4 |
24 | 1380 | 16.34 | C3-S4 | Zero | 350 | 0.89 | C2-S1 |
25 | 4120 | 8.03 | C4-S3 |