Sample | Moisture (%) | pH | EC | Contents of soluble salts (mmol kg− 1) | |||||||
---|---|---|---|---|---|---|---|---|---|---|---|
(μs cm−1) | Na+ | NH4+ | K+ | Mg2+ | Ca2+ | Cl− | NO3− | SO42− | |||
S1 | 4.56± 0.11b | 7.48± 0.04a | 6.74± 0.05d | 12.53 ± 3.66b | 3.80± 0.02a | 4.94± 0.04a | 193.933± 0.99d | 4.45± 0.08d | 21.12 ± 0.19c | 10.44 ± 0.46b | 111.39± 0.91d |
S2 | 4.69± 0.04b | 7.41± 0.03ab | 10.45± 0.40c | 18.59 ± 0.02a | 3.62± 0.02b | 4.70± 0.02b | 668.29± 1.44c | 11.25± 0.02c | 51.43 ± 0.56a | 33.46 ± 0.42a | 205.04± 0.92c |
S3 | 4.84± 0.10a | 7.35± 0.09ab | 11.44± 0.67b | 10.41 ± 0.05c | 2.45± 0.04c | 4.56± 0.02c | 682.74± 2.19b | 43.15± 0.33b | 22.80 ± 0.79b | 7.25± 0.16c | 326.42± 2.24b |
S4 | 4.98± 0.04a | 7.32± 0.08b | 13.92± 0.63a | 10.40 ± 0.16c | 0.0014± 0.0003d | 4.55± 0.04c | 1519.70± 1.56a | 143.07± 0.94a | 13.67 ± 0.30d | 9.87± 0.08b | 946.48± 2.12a |