| Treatments |
Post-harvest Soil |
Root |
Shoot |
| Control |
15340 |
2260 |
530 |
| C1 |
8650 |
950 |
390 |
| C2 |
8250 |
650 |
210 |
| RHB1 |
12200 |
410 |
120 |
| RHB2 |
9100 |
400 |
100 |
| RHB1/C1 |
9800 |
200 |
74 |
| CNSB1 |
12750 |
500 |
140 |
| CNSB2 |
9950 |
450 |
190 |
| CNSB1/C1 |
10600 |
260 |
100 |
|
| CNSB: Cashew nut shell bio char; RH B: Rice husk bio char; C: Compost. |
| Table 2: Concentration of Pb (mg/kg) measured in soil, maize plant root and shoot. |
