Table 1 Chemical and physical soil properties of the five soils varying clay contents before to start the greenhouse experiment.

From: Evaluating the agronomic efficiency of alternative phosphorus sources applied in Brazilian tropical soils

Soils

pH

SOM

P

H + Al

K

Ca

Mg

SB

CEC

BS

PMAC

Sandy

Clay

Silt

CaCl2

g dm−3

mg dm−3

mmolc dm−3

%

mg kg−1

g kg−1

SLEntisol

4.1

7.0

2.0

29.0

1.2

5.0

1.0

8.0

36.0

21.0

243.43

802

135

65

LSEntisol

4.5

10.0

2.0

23.0

2.0

9.0

5.0

15.0

38.0

40.0

113.51

866

84

50

COxisol1

4.2

23.0

8.0

76.0

1.9

5.0

3.0

10.0

86.0

12.0

1055.4

163

584

253

SCLOxisol

3.8

32.0

3.0

94.0

1.4

2.0

1.0

5.0

99.0

5.0

388.14

669

274

57

COxisol2

4.0

33.0

5.0

76.0

2.1

7.0

3.0

12.0

89.0

14.0

705.47

360

510

130

  1. SB sum of bases, CEC cation exchange capacity, BS  base saturation, PMAC  phosphorus maximum adsorption capacity.
  2. SLEntisol sandy loam Entisol, LSEntisol loamy sand Entisol, COxisol1 clayey Oxisol, SCLOxisol sandy clay loam Oxisol, COxisol2 clayey Oxisol.