Dynamics for Pb (a), Zn (b) and Cu uptake by excised roots pretreated in N deficient and salty solutions. Different letters above bars indicate significant differences among different treatments at P < 0.05 as determined by LSD test.
Dynamics for Pb (a), Zn (b) and Cu uptake by excised roots pretreated inN deficient and salty solutions. Different letters above bars indicate significantdifferences among different treatments at P < 0.05 as determined by LSD test.