Table 1.
Soil codes* | WC (%) | pH | SOC (g.kg−1) | TN (g.kg−1) | OP (g.kg−1) | TK (g.kg−1) | AN (mg.kg−1) | AP (mg.kg−1) | AK (mg.kg−1) |
---|---|---|---|---|---|---|---|---|---|
SW11 | 74.9 ± 0.81a | 7.59 ± 0.09b | 279.1 ± 5.69a | 5.15 ± 1.16a | 1.43 ± 0.09a | 7.44 ± 0.05c | 993.0 ± 28.5a | 26.0 ± 3.08a | 99.8 ± 2.58b |
SW13 | 73.6 ± 1.49a | 7.58 ± 0.12b | 283.4 ± 10.9a | 4.99 ± 0.18a | 1.45 ± 0.11a | 7.46 ± 0.11c | 1045.3 ± 38.9a | 24.1 ± 0.91a | 97.5 ± 1.00b |
SW22 | 74.3 ± 0.65a | 7.61 ± 0.01b | 278.7 ± 4.62a | 5.45 ± 0.38a | 1.38 ± 0.08a | 7.13 ± 0.43c | 1038.2 ± 47.4a | 25.1 ± 0.68a | 101.2 ± 1.12b |
SW23 | 76.5 ± 1.70a | 7.66 ± 0.04b | 283.1 ± 3.74a | 5.71 ± 0.09a | 1.41 ± 0.02a | 6.79 ± 0.15c | 1079.4 ± 91.2a | 22.6 ± 0.21a | 96.7 ± 0.54b |
SW32 | 79.4 ± 2.55a | 7.56 ± 0.05b | 281.3 ± 1.10a | 5.29 ± 0.03a | 1.32 ± 0.03a | 7.30 ± 0.05c | 1025.9 ± 8.29a | 24.7 ± 0.55a | 98.3 ± 5.13b |
SW33 | 83.1 ± 2.35a | 7.62 ± 0.10b | 281.4 ± 18.3a | 5.71 ± 0.29a | 1.33 ± 0.02a | 6.94 ± 0.02c | 1014.8 ± 1.83a | 24.1 ± 1.39a | 96.2 ± 1.42b |
MD7 | 16.6 ± 1.48b | 7.98 ± 0.08a | 72.8 ± 1.83b | 3.67 ± 0.18b | 0.95 ± 0.01b | 22.3 ± 0.06a | 277.4 ± 17.7b | 11.2 ± 0.82b | 443.5 ± 40.5a |
MD15 | 16.1 ± 0.91b | 7.84 ± 0.09a | 66.3 ± 4.88b | 3.22 ± 0.06b | 0.98 ± 0.19b | 21.3 ± 0.07a | 246.3 ± 3.52b | 12.4 ± 2.04b | 365.4 ± 4.67a |
MD78 | 14.6 ± 0.86b | 7.75 ± 0.04a | 55.7 ± 2.75b | 2.99 ± 0.10b | 0.44 ± 0.08b | 23.1 ± 0.51a | 195.3 ± 3.77b | 11.9 ± 0.94b | 103.1 ± 4.66a |
MD62 | 17.3 ± 0.90b | 7.83 ± 0.03a | 65.9 ± 5.70b | 3.12 ± 0.17b | 0.68 ± 0.02b | 22.4 ± 1.38a | 199.4 ± 6.30b | 12.2 ± 0.52b | 253.7 ± 34.7a |
MD35 | 15.2 ± 0.65b | 7.86 ± 0.05a | 69.1 ± 1.07b | 3.08 ± 0.11b | 0.88 ± 0.06b | 21.9 ± 0.15a | 221.8 ± 1.67b | 10.9 ± 0.50b | 333.1 ± 34.7a |
MD14 | 14.8 ± 0.65b | 7.88 ± 0.09a | 59.9 ± 0.76b | 3.68 ± 0.07b | 0.81 ± 0.03b | 22.5 ± 1.17a | 297.9 ± 7.31b | 12.4 ± 1.04b | 325.2 ± 67.5a |
SD67 | 7.13 ± 0.46c | 6.74 ± 0.36c | 7.99 ± 0.13c | 0.81 ± 0.04c | 0.91 ± 0.05b | 17.8 ± 0.69b | 45.3 ± 0.53c | 4.29 ± 0.41c | 47.5 ± 1.39b |
SD68 | 6.89 ± 0.59c | 6.71 ± 0.25c | 8.02 ± 0.22c | 0.79 ± 0.14c | 0.72 ± 0.02b | 16.9 ± 0.13b | 41.2 ± 5.52c | 3.78 ± 0.27c | 41.3 ± 0.61b |
SD70 | 7.01 ± 0.08c | 6.71 ± 0.03c | 8.24 ± 0.12c | 0.81 ± 0.11c | 0.76 ± 0.01b | 16.7 ± 0.34b | 61.2 ± 3.51c | 3.45 ± 0.19c | 33.4 ± 1.97b |
SD73 | 8.11 ± 0.12c | 6.73 ± 0.08c | 8.04 ± 0.11c | 0.83 ± 0.05c | 0.65 ± 0.04b | 16.7 ± 0.17b | 60.5 ± 5.69c | 3.69 ± 0.10c | 42.77 ± 3.74b |
SD75 | 5.89 ± 0.65c | 6.69 ± 0.08c | 8.78 ± 0.49c | 0.82 ± 0.03c | 0.76 ± 0.02b | 16.8 ± 0.20b | 62.1 ± 2.30c | 3.77 ± 0.32c | 35.7 ± 0.12b |
SD76 | 7.23 ± 0.05c | 6.74 ± 0.10c | 8.55 ± 0.19c | 0.86 ± 0.05c | 0.84 ± 0.04b | 17.7 ± 0.16b | 65.4 ± 8.26c | 4.52 ± 0.07c | 51.2 ± 0.94b |
Mean ± standard error (n = 3). Values within the same column followed by the same letter do not differ at P < 0.05. WC: water content; SOC: soil organic carbon; TN: total nitrogen; TP: total phosphorus; TK: total potassium; AN: available nitrogen; OP: Olsen phosphorus (available phosphorus); AK: available potassium. *SW: swamp soil; MD: meadow soil; SD: sandy soil.