Table 1.
Soluble salt component content/% |
|||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|
Depth of soil samples/cm | Total soluble salt content/% | Na+ | K+ | Ca+ | Mg+ | HCO3− | Cl− | SO42− | Organic matter content/ | pH | CEC content/mmol/100 g |
0 | 0.740 | 0.02 | 7.50 | 0.22 | 0.15 | 24.94 | 0.38 | 0.02 | 0.26 | 9.0 | 11.58 |
10 | 0.250 | 0.14 | 3.39 | 0.21 | 0.12 | 22.48 | 0.30 | 0.02 | 0.39 | 8.5 | 12.11 |
20 | 0.180 | 0.08 | 2.12 | 0.31 | 0.21 | 15.63 | 0.20 | 0.08 | 0.32 | 8.2 | 13.48 |
30 | 0.150 | 0.08 | 1.75 | 0.16 | 0.21 | 12.99 | 0.10 | 0.06 | 0.31 | 8.2 | 10.87 |
40 | 0.060 | 0.08 | 1.38 | 0.21 | 0.16 | 11.24 | 0.10 | 0.00 | 0.28 | 7.9 | 10.60 |
50 | 0.080 | 0.08 | 1.11 | 0.08 | 0.21 | 7.78 | 0.05 | 0.02 | 0.29 | 7.8 | 8.86 |
70 | 0.060 | 0.01 | 0.88 | 0.08 | 0.29 | 6.20 | 0.05 | 0.02 | 0.24 | 7.7 | 8.56 |
100 | 0.090 | 0.01 | 0.78 | 0.12 | 0.31 | 5.20 | 0.05 | 0.04 | 0.09 | 7.6 | 9.86 |