Heavy metals 21 Days 42 Days
Mean (mg/kg) Standard deviation Mean (mg/kg) Standard deviation
Fe 311.683 109.238 533.026 98.065
Mn 47.192 9.706 88.725 38.137
Zn 22.501 5.482 53.827 4.603
Cu 0.001 0.000 0.001 0.000
Table 3: Mean levels of heavy metals in treatment three at 21 and 42 days after transplanting.