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Table 2 Mean values of nonbiological factors in soils of different depths

From: High-throughput sequencing analysis of the rhizosphere arbuscular mycorrhizal fungi (AMF) community composition associated with Ferula sinkiangensis

depth

OM(g/kg)

TN(g/kg)

TP(g/kg)

TK(g/kg)

NN (mg/kg)

AN (mg/kg)

AP (mg/kg)

AK (mg/kg)

TDS(g/kg)

PH

SM(%)

sw

 0 -20 cm

23.47 ± 3.75

1.99 ± 0.34

0.76 ± 0.09a

11.82 ± 2.94

3.71 ± 1.05

5.59 ± 0.62

3.05 ± 0.62

239.71 ± 99.13

5.70 ± 3.29

8.07 ± 0.14b

7.44 ± 1.73

 20-40 cm

23.12 ± 1.88

2.00 ± 0.23

0.77 ± 0.09a

11.86 ± 2.95

3.37 ± 0.61

5.58 ± 0.99

4.32 ± 2.06

217.33 ± 66.7

5.45 ± 3.15

7.95 ± 0.15b

8.00 ± 1.24

 40-60 cm

21.92 ± 1.42

2.03 ± 0.07

0.76 ± 0.07a

12.05 ± 2.42

3.72 ± 1.10

5.06 ± 1.24

3.11 ± 1.05

234.01 ± 82.87

5.55 ± 3.20

7.98 ± 0.15b

6.5 ± 1.65

 mean

22.84 ± 2.32B

2.00 ± 0.21B

0.76 ± 0.07A

11.91 ± 2.41B

3.60 ± 0.84B

5.41 ± 0.89AB

3.49 ± 1.34

230.35 ± 73.40

6.13 ± 4.83A

8.00 ± 0.14B

7.31 ± 1.50A

zw

 0 -20 cm

24.13 ± 2.58

2.14 ± 0.21

0.53 ± 0.03b

15.08 ± 1.79

3.62 ± 2.36

4.40 ± 0.61

2.43 ± 0.68

200.11 ± 19.55

5.64 ± 3.26

8.04 ± 0.16b

5.38 ± 2.7

 20-40 cm

23.52 ± 3.73

2.16 ± 0.18

0.54 ± 0.02b

15.60 ± 1.6

3.68 ± 1.74

4.80 ± 0.35

2.17 ± 0.56

253.91 ± 101.89

5.86 ± 3.38

8.03 ± 0.11b

5.54 ± 9.80

 40-60 cm

25.40 ± 1.11

2.30 ± 0.02

0.55 ± 0.01b

16.48 ± 0.45

4.46 ± 1.64

4.22 ± 0.32

2.35 ± 0.50

251.63 ± 28.73

4.43 ± 2.55

8.19 ± 0.10b

5.20 ± 3.80

 mean

24.35 ± 2.48AB

2.20 ± 0.16A

0.53 ± 0.21C

15.72 ± 1.37A

3.92 ± 1.73AB

4.47 ± 0.46B

2.31 ± 0.52

235.22 ± 59.93

5.20 ± 4.67AB

8.09 ± 0.13B

5.37 ± 0.56B

xw

 0 -20 cm

27.24 ± 1.79

2.16 ± 0.13

0.70 ± 0.02a

15.06 ± 1.47

5.56 ± 2.25

5.56 ± 1.24

3.09 ± 1.65

314.8 ± 257.37

0.28 ± 0.16

8.58 ± 0.10a

7.76 ± 1.66

 20-40 cm

26.50 ± 2.04

2.16 ± 0.10

0.70 ± 0.01a

15.04 ± 1.57

5.08 ± 2.17

5.74 ± 0.47

3.57 ± 2.84

359.52 ± 284.25

0.45 ± 0.26

8.62 ± 0.11a

7.21 ± 3.08

 40-60 cm

26.02 ± 2.99

2.18 ± 0.13

0.70 ± 0.05a

15.35 ± 1.6

5.59 ± 3.20

6.33 ± 0.78

3.17 ± 1.38

419.81 ± 342.26

0.45 ± 0.26

8.56 ± 0.23a

6.73 ± 1.81

 mean

26.59 ± 2.09A

2.17 ± 0.10A

0.70 ± 0.03B

15.15 ± 1.35A

5.41 ± 2.25A

5.87 ± 0.84A

3.28 ± 1.80

364.71 ± 261.01

2.08 ± 0.49B

8.59 ± 0.14A

7.23 ± 2.02A

  1. Lowercase letters are significantly difference among three soil depth, capital letters are significantly difference among three plant species (P < 0.05). SW, ZW, and XW respectively correspond to the top, middle, and bottom slope positions