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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