Table 2 Ap and zeolite elemental composition (%).

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

Composition

Zeolite

Ap

Si

28.8

1.6

Al

4.2

–

Ca

1.7

35.7

K

0.9

–

Na

0.8

–

Fe

0.6

2.6

Mg

0.4

0.60

Ti

0.07

–

P

–

16.1

S

–

0.2

O

38.2

38.8

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