Table 1 Physicochemical characteristics of experimental soil, Ap, and zeolite.

From: Using zeolite, molasses, and PGP microorganisms to improve apatite solubility and increase phosphorus uptake by Sorghum bicolor L. (Speedfed cultivar)

Property

Soil

Ap

Zeolite

Texture

Sandy

–

–

Sand (%)

92.6

–

–

Silt (%)

1.4

–

–

Clay (%)

6.0

–

–

EC (1:1 solution) (dSm−1)

0.71

1.54

8.5

CEC (Cmol kg−1)

4.2

60.5

82.8

pH (1:1 solution)

7.8

8.6

8.1

Total P (mg kg−1)

26.9

–

–

Olsen P (mg kg−1)

5.8

–

–

CaCO3 (%)

36

–

–

OM (%)

0.16

–

–

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