Soil property

WW

NV

t-value

P

LS

Electrical conductivity (dS/m)

1.65

0.56

4.25

<0.001

^**

pH

8.22

8.19

0.53

0.572

ns

Permanganate oxidizable carbon (mg/kg)

380

346

3.99

<0.001

^**

Soil organic matter (%)

0.73

0.78

0.57

0.571

ns

Wet aggregate stability (%)

58.91

62.66

1.80

0.076

ns

Aggregates > 2 mm (%)

13.1

4.9

4.68

<0.001

^**

Aggregates < 0.25 mm (%)

28.6

39.6

5.70

<0.001

^**

Mean weight diameter (mm)

1.008

0.606

4.99

<0.001

^**

Sand content (%)

68.86

71.24

1.54

0.129

ns

Silt content (%)

6.24

4.83

2.89

0.005

^**

Clay content (%)

24.90

23.94

0.65

0.517

ns

Nitrate nitrogen concentration (mg/kg)

1.33

0.67

1.76

0.0822

ns

Extractable phosphorus (mg/kg)

1.82

2.16

0.90

0.373

ns

Extractable potassium (mg/kg)

224

160

4.20

<0.001

^**

Calcium concentration (mg/kg)

3496

2665

3.32

0.001

^**

Magnesium concentration (mg/kg)

295

243

3.15

0.002

^**

Sodium concentration (mg/kg)

110.61

97.90

0.40

0.689

ns

Zinc concentration (mg/kg)

1.14

0.90

2.22

0.030

^*

Iron concentration (mg/kg)

6.90

5.71

1.54

0.129

ns

Manganese concentration (mg/kg)

4.64

4.52

0.24

0.810

ns

Copper concentration (mg/kg)

1.38

1.19

1.99

0.051

ns