Heavy metals 21 Days 42 Days Mean (mg/kg) Standard deviation Mean (mg/kg) Standard deviation Fe 230.929 48.100 398.101 116.518 Mn 44.091 7.778 63.457 20.165 Zn 14.485 1.154 42.397 5.529 Cu 0.001 0.000 0.001 0.000

Table 1: Mean level of heavy metals in treatment one at 21 and 42 days after transplanting.