There was no significant increase in Cd uptake.
However, the highest Cd uptake in sunflower
plant was obtained when EDTA at 3 mmol/kg
was applied. Meanwhile all the EDDS performed
better than EDTA treatments at 6 and 9mmol/kg.
The control had maximum Cr uptake which was
not significantly different from uptake recorded
with the addition of the chelants as shown in
Table 5.