Parameters

Units

Range

Average

WHO Standard

pH

6.78 - 7.47

7.06 ± 0.22

6 - 8

Electrical conductivity (EC)

ds/m

2.16 - 6.48

3.31 ± 1.18

-

Organic carbon (O.C)

%

10.0 - 16.55

14.39 ± 1.94

-

Moisture content (M.C)

%

1.13 - 2.23

2.00 ± 0.52

-

Ash content (A.C)

%

87.55 - 95.53

92.54 ± 2.50

-

Organic matter (O.M)

%

0.94 - 14.78

7.02 ± 3.92

10% - 20%

Carbon/Nitrogen ratio (C:N)

2.28 - 9.51

7.02 ± 1.92

-

P

mg/kg

1.73 - 2.81

1.92 ± 0.3

0.3 - 3.8

N

mg/kg

1.52 - 4.48

2.29 ± 0.86

0.4 - 3.5

K

mg/kg

40.0 - 70.5

55.27 ± 13.68

0.5 - 1.8

Ca

mg/kg

1.0 - 2.50

1.49 ± 0.41

-

Na

mg/kg

80.0 - 207

155.24 ± 46.34

-

Mg

mg/kg

1.50 - 2.25

1.97 ± 0.27

-