Cu concentrations in shoots (ppm) Cu concen. i 9003 n solution(p NM 34 38 pm) 6 0 4.88.28.912.0 0.055911.810.814.3 0.28.913214.515.6 111.415816.317.3 3 13.815.918.522.0Cu concentrations in shoots (ppm) 3 13.8 15.9 18.5 22.0 1 11.4 15.8 16.3 17.3 0.2 8.9 13.2 14.5 15.6 0.05 5.9 11.8 10.8 14.3 0 4.8 8.2 8.9 12.0 38 9003 6 NM 34 Cu concen. i n solution (p pm)