Soil type |
Day 1 |
Day 2 |
Day 5 |
Day 7 |
Day 14 |
GS (100%)* |
6(83.33) |
5(60) |
5(40) |
4(33.33) |
4(0) |
GS (50%)* |
8(87.5) |
7(57.14) |
7(42.86) |
7(33.33) |
7(0) |
GS (10%)* |
9(33.33) |
8(25) |
7(14.29) |
7(14.29) |
7(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 gasoline
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 (CS) from Agaye. |
