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Table 1 Soil physical and chemical properties under different grazing management systems in Chepareria, Kenya

From: Enhancing soil organic carbon, particulate organic carbon and microbial biomass in semi-arid rangeland using pasture enclosures

Grazing system

Soil depth (cm)

pH

CEC

Sand

Silt

Clay

Moisture content

BD

Cmol kg−1

%

g cm−3

GDE

0–10

6.1 ± 0.55

8.0 ± 1.03

78.7 ± 2.61

5.4 ± 1.62

13.6 ± 1.17

6.79 ± 2.27bc

1.39 ± 0.10bc

10–20

6.1 ± 0.30

8.3 ± 0.93

77.8 ± 2.52

5.7 ± 2.37

14.2 ± 1.09

7.28 ± 2.29abc

1.37 ± 0.05c

20–40

6.0 ± 0.34

9.1 ± 0.78

78.2 ± 2.52

6.0 ± 2.00

14.0 ± 1.15

8.16 ± 2.23ab

1.36 ± 0.06c

CGE

0–10

6.2 ± 0.22

8.2 ± 0.75

81.3 ± 1.29

7.8 ± 1.60

13.4 ± 1.21

6.32 ± 2.76c

1.42 ± 0.10abc

10–20

6.0 ± 0.61

8.7 ± 0.95

80.6 ± 1.57

8.0 ± 2.23

13.7 ± 1.16

6.83 ± 2.68bc

1.46 ± 0.10ab

20–40

6.2 ± 0.24

8.6 ± 1.16

80.6 ± 1.60

7.7 ± 2.88

13.4 ± 1.18

8.51 ± 2.44a

1.45 ± 0.05ab

OGR

0–10

6.3 ± 0.27

9.0 ± 0.92

79.5 ± 1.61

6.8 ± 1.88

13.8 ± 1.29

5.85 ± 2.51c

1.49 ± 0.05a

10–20

5.2 ± 0.56

8.6 ± 0.95

78. 9 ± 1.57

7.3 ± 2.09

13.7 ± 1.30

6.38 ± 2.55c

1.47 ± 0.06a

20–40

5.0 ± 0.24

8.7 ± 0.90

78.7 ± 1.48

7.2 ± 1.75

13.9 ± 1.17

6.78 ± 2.22bc

1.47 ± 0.06a

LSD0.05

 

NS

NS

NS

NS

NS

1.13

0.07

cv%

 

6.6

10.7

2.4

31.8

8.7

15

5.2

P-value

 

0.13

0.56

0.16

0.08

0.168

0.01

< 0.001

  1. Values are mean ± SD (n = 9). Different lowercase letters within the same column indicate significant differences between means at P ≤ 0.05
  2. NS not significant, GDE grazing dominated enclosure, CGE contractual grazing enclosure, OGR open grazing rangeland, CV% coefficient of variation