Table 6 Trace elements (mg kg−1) contents of phosphate rock
From: Importance of phosphate pock application for sustaining agricultural production in Egypt
Sample | El Sebaiya PR | Safaga PR | Abu Tartur PR |
|---|---|---|---|
U | 69 | 46 | 32 |
Th | 14 | 10 | 11 |
V | 368 | 123 | 277 |
Cd | 5 | 19 | 9 |
Pb | 10 | 20 | 13 |
Cu | 11 | 24 | 21 |
Cr | 141 | 14 | 86 |
Co | 4 | 6 | 11 |
Zn | 133 | 142 | 71 |
Sr | 681 | 377 | 34 |
Rb | 24 | 35 | 66 |