Site

Bothaville

Ottosdal

Potchefstroom

Geographic

Latitude

26˚62'

26˚08'

27˚09'

Longitude

−27˚38'

−26˚81'

−27˚07'

Altitude (m)

1317

1587

1355

Soil

Depth (m)

1.8

2.0

1.8

Soil form¹

Avalon

Hutton

Westleigh

Textural class

Sandy loam

Loamy sand

Clay loam

Clay (%)

8

12

34

Silt (%)

1

7

17

Sand (%)

91

81

49

Organic C (%)

0.20

0.38

0.82

pH (H₂O)

7.02

5.83

6.61

N (mg·kg⁻¹)

0.9

2.8

5.7

P (mg·kg⁻¹)

22

16

56

K (mg·kg⁻¹)

74

135

192

Ca (mg·kg⁻¹)

348

317

840

Mg (mg·kg⁻¹)

97

102

360

Na (mg·kg⁻¹)

15

13

32