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. 2018 Mar 1;8:3884. doi: 10.1038/s41598-018-21874-0

Table 1.

Physicochemical parameters of soil samples from Zoige plateau wetland.

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.