Parameters

2005

2006

2007

2008

2009

2010

2011

2012

2013

2014

2015

2016

BNQ Standards

pH

7.12

6.40

7.50

7.33

7.39

7.41

7.46

7.38

7.30

7.14

7.30

7.34

6.5 - 8.5

EC mS/cm

5.12

5.03

4.20

5.54

4.86

5.03

4.92

5.04

4.99

5.31

5.14

5.09

5 - 6

Zinc mg/Kg

439

326

110

439

430

456

463

461

459

462

458

454

500 - 1850

Lead mg/Kg

134

116

468

173

184

181

152

151

152

153

150

149

150 - 500

Chromium mg/Kg

26.6

29.1

0.3

33.0

22.7

22.1

40.4

40.0

39.4

40.6

39.8

37.7

210 - 1060

Cadmium mg/Kg

1.00

0.63

36.7

1.48

1.14

1.01

0.72

0.70

0.70

0.71

0.72

0.71

3 - 20

Moisture content%

51.7

52.4

49.3

48.6

48.2

47.3

47.6

47.4

47.4

47.3

47.8

47.7

40 - 60

Organic matter %

57.5

57.2

53.9

54.0

53.3

52.0

52.2

52.0

52.1

52.2

52.6

52.7

35 - 55

C/N ratio

19

19

17

17

17

16

16

15

16

16

16

17

20 - 25

Salinity g/L

2.21

2.17

1.84

2.39

2.09

2.15

2.15

2.16

2.13

2.28

2.24

2.19

NA

Nitrate mg/L

37.9

70.0

29.4

71.5

107.5

65.7

41.7

55.0

51.5

50.3

62.1

66.2

NA

$P{O}_4^{3-}$ mg/L

4.57

3.76

4.46

3.39

2.35

1.97

2.39

1.99

1.99

1.95

1.96

1.92

NA

Calcium mg/L

853

1028

856

897

850

810

803

748

752

751

826

876

NA

NH3-N mg/L

188

160

198

196

185

169

171

176

170

219

249

247

NA

Potassium g/L

0.30

0.25

139

0.29

0.31

0.30

0.25

0.24

0.24

0.24

0.24

0.24

NA

Magnesium mg/Kg

1920

1760

2610

2240

2366

2458

3140

3150

3127

3159

3121

3113

NA

Nitrogen %

1.42

1.42

1.40

1.42

1.40

1.45

1.49

1.54

1.48

1.47

1.44

1.44

NA

Manganese mg/Kg

103

77

110

96

95

94

82

82

82

82

82

81

NA

Fecal Coliforms MPN/g

<3.0

<3.0

<3.0

<3.0

<3.0

<3.0

<3.0

<3.0

<3.0

<3.0

<3.0

<3.0

<1000

Salmonella col/g

<10

<10

<10

<10

<10

<10

<10

<10

<10

<10

<10

<10

<3