“…For corns, a modified half-strength Hoagland's nutrient solution was used consisting of (in mM) the following: Ca, 2.0; K, 3.0; N, 8.0; P, 1.0; Mg, 0.5; S, 0.5; Na, 0.05; Cl, 0.05; B, 0.025; Zn, 0.002; Cu, 0.0005; Mn, 0.002; and Mo, 0.0005 (Kane et al 2006). The two-leaf seedlings were grown in a nutrient solution with ventilator system at two Fe levels including 5 and 50 µM Fe-EDTA (Fe-ethylenediaminetetraacetic acid).…”