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Table 3 Concentration of macroelements and microelements in the edible part of lettuce irrigated with water containing different arsenic concentrations [mg kg-1 DW (RSD%)] (n = 5)

From: Effect of irrigation water containing arsenic on elemental composition of bean and lettuce plants cultivated in calcareous sandy soil

Concentrations mg kg− 1 DW (RSD%)
Leaves Control 0.1 mg L− 1 0.25 mg L− 1 0.5 mg L− 1
Mg 657 (17) a 602 (19) a 662 (17) a 580 (19) a
P 244 (6) a 207 (26) a 169 (20) a 298 (15) a
K 2166 (19) a 1421 (9) a 2595 (18) a 1541 (21) a
Fe 155 (21) a 162 (16) a 172 (24) a 350 (26) a
Mn 46 (12) a 36 (17) a 39 (12) a 51 (27) a
Cu 6 (6) a 8 (12) a 6 (14) a 9 (20) a
Zn 36 (4) a 41 (11) a 40 (9) a 35 (11) a