Soil type |
Day 1 |
Day 2 |
Day 5 |
Day 7 |
Day 14 |
DS (100%)* |
0(0) |
0(0) |
0(0) |
0(0) |
0(0) |
DS (50%)* |
3(100) |
3(66.66) |
2(50) |
2(0) |
1(0) |
DS(10%)* |
6(83.33) |
6(50) |
6(33.33) |
5(20) |
5(0) |
NCS |
10(10) |
8(12.5) |
8(0) |
8(0) |
8(0) |
CS |
9(0) |
9(0) |
9(0) |
9 (0) |
8 (0) |
*=significantly different at P<0.05
The t-test results comparing means of surviving earthworms exposed to diesel
contaminated soil showed that there was significant (P<0.05) difference in all
treated media compared to the control media (NCS) but not with the contaminated
soil, NCS (P>0.05) from Agaye |
