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Table 1 Characteristics of Haplic Lixisol at Ejura farm in 2008 wet season

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)

0.13

0.08

0.03

0.04

0.03

0.02

0.03

Available P (mg kg−1)

12.70

6.54

3.43

2.04

1.72

1.5

0.91

Available K (mg kg−1)

180

130

100

120

94

84

73

pH

5.05

5.61

5.71

5.78

5.86

6.03

6.12

Ca (cmol (+) kg−1)

4.2

5.0

4.3

3.9

3.8

3.7

3.7

Mg (cmol (+) kg−1)

1.8

1.6

1.4

1.4

1.6

1.9

1.2

ECEC (cmol (+) kg−1)

6.5

8.2

5.3

5.7

6.3

6.6

6.1

K (cmol (+) kg−1)

0.3

0.4

0.3

0.3

0.3

0.3

0.2

Organic C (%)

1.1

0.7

0.5

0.5

0.4

0.4

0.3

BS (%)

96.4

98.4

97.6

97.7

98.3

98.4

98.4

Bulk density (g cm−3)

1.50

1.55

1.54

1.54

1.44

1.50

1.40

Sand (%)

62.7

60.5

59.8

45.9

34.1

29.5

29.4

Silt (%)

33.2

33.4

33.1

37.5

38.8

42.5

41.5

Clay (%)

4.1

6.1

7.1

16.6

27.1

27.1

29.1