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Table 1 The soil properties at different sites along the altitudes

From: Response of soil microbial community structure and function to different altitudes in arid valley in Panzhihua, China

  Low Medium High
pH 5.45 ± 0.42a 5.40 ± 0.26a 5.17 ± 0.13b
SOC (g·kg−1) 10.20 ± 1.02b 6.30 ± 0.67c 16.38 ± 1.34a
Moisture (%) 27.25 ± 1.54b 32.09 ± 1.39a 33.31 ± 1.91a
TN (g·kg−1) 2.48 ± 0.49b 1.87 ± 0.15c 3.12 ± 0.19a
TP (g·kg−1) 1.07 ± 0.49c 1.16 ± 0.10b 1.33 ± 0.06a
TK (g·kg−1) 6.75 ± 0.20a 6.13 ± 0.76b 5.55 ± 0.48b
AN (mg·kg−1) 31.64 ± 7.43b 21.81 ± 3.43c 46.26 ± 2.53a
AP (mg·kg−1) 7.41 ± 2.73b 4.61 ± 2.70c 33.77 ± 7.50a
AK (mg·kg−1) 327.63 ± 78.82b 412.87 ± 257.69b 1094.40 ± 121.32a
Temperature (°C) 25.07 ± 0.54a 24.32 ± 1.59a 20.91 ± 0.99b
SMBC (mg·kg−1) 90.67 ± 13.05b 62.08 ± 9.68c 156.80 ± 4.92a
SMBN (mg·kg−1) 5.24 ± 1.26a 3.37 ± 0.63b 5.35 ± 0.61a
  1. Data are average ± SEM (n = 3). Different letters in a column denote statistically significant differences (P < 0.05). SOC Soil organic carbon, MO Moisture, TN Total nitrogen, TP Total phosphorus, TK Total potassium, AN Available nitrogen, AP Available phosphorus, AK Available potassium, ST Soil temperature, SMBC Soil microbial biomass carbon, SMBN soil microbial biomass nitrogen. High, altitude 2000 m a.s.l.; medium, altitude 1800 m a.s.l.; low, altitude 1600 m a.s.l