| Treatment |
Details of Treatment |
| A |
2 Kg soil+2.5 % oil+5% TL+80 ppm Zn+Dracaena reflexa |
| B |
2 Kg soil+2.5 % oil+5% SC+80 ppm Zn+Dracaena reflexa |
| C |
2 Kg soil+2.5 % oil+5% PS+80 ppm Zn+Dracaena reflexa |
| D |
2 Kg soil+2.5 % oil+80 ppm Zn+Dracaena reflexa |
| E |
2 Kg soil+80 ppm Zn++Dracaena reflexa |
| F |
2 Kg soil+80 ppm Zn+2.5 % oil |
| G |
2 Kg autoclaved soil+2.5 % oil+80 ppm Zn+0.5% NaN3 |