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Environmental Systems Research

Table 2 Characteristics of Haplic Lixisol at Agricultural College in Ejura during the major season, 2008

From: The effect of phosphorus and nitrogen fertilizers on grain yield, nutrient uptake and use efficiency of two maize (Zea mays L.) varieties under rain fed condition on Haplic Lixisol in the forest-savannah transition zone of Ghana

Soil parameters

Soil depth (cm)

0–15

15–30

30–45

45–60

60–75

75–90

90–100

Total N (mg g−1)

0.03

0.03

0.02

0.02

0.02

0.02

0.03

Available P (mg kg−1)

9.4

4.8

2.3

1.8

1.4

1.1

1.1

Available K (mg kg−1)

85

85

85

89

107

101

132

pH

4.75

4.73

4.71

4.76

4.22

4.07

4.07

Ca (cmol (+) kg−1)

0.5

0.7

0.7

1.1

2.0

1.9

2.1

Mg (cmol (+) kg−1)

0.3

0.3

0.3

0.9

1.2

1.1

0.8

ECEC (cmol (+) kg−1)

1.7

2.0

1.6

2.7

4.3

4.3

4.3

K (cmol (+) kg−1)

0.1

0.1

0.1

0.1

0.1

0.1

0.1

Organic C (%)

0.58

0.55

0.51

0.46

0.42

0.38

0.34

BS (%)

59.9

54.4

59.9

89.1

70.3

70.9

70.4

Bulk density (g cm−3)

1.63

1.61

1.63

1.64

1.54

1.50

1.45

Sand (%)

77.8

76.2

74.8

64.2

52.2

51.6

52.5

Silt (%)

18.1

20.7

22.1

29.7

30.8

32.3

30.4

Clay (%)

4.1

3.1

3.1

6.1

17.1

16.1

17.1

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